README.md

August 20, 2026 · View on GitHub

Best-of Python Developer Tools

🏆 A ranked list of awesome python developer tools and libraries. Updated weekly.

This curated list contains 270 awesome open-source projects with a total of 1.1M stars grouped into 17 categories. All projects are ranked by a project-quality score, which is calculated based on various metrics automatically collected from GitHub and different package managers. If you like to add or update projects, feel free to open an issue, submit a pull request, or directly edit the projects.yaml. Contributions are very welcome!

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Linters & Style Checkers 41 projects
Type checkers 5 projects
Code Formatters 7 projects
Code Refactoring 18 projects
Code Security 8 projects
Virtual Environments 10 projects
Dependency & Package Managers 11 projects
Code Metrics & Complexity 6 projects
Logging 21 projects
Shell 2 projects
Documentation 28 projects
Debugging Tools 13 projects
Testing Tools 43 projects
Code Packaging 16 projects
Build Tools 14 projects
System Monitoring & Profiling 18 projects
AST Tools 6 projects
Others 1 projects

Explanation

🥇🥈🥉 Combined project-quality score
⭐️ Star count from GitHub
🐣 New project (less than 6 months old)
💤 Inactive project (6 months no activity)
💀 Dead project (12 months no activity)
📈📉 Project is trending up or down
➕ Project was recently added
❗️ Warning (e.g. missing/risky license)
👨‍💻 Contributors count from GitHub
🔀 Fork count from GitHub
📋 Issue count from GitHub
⏱️ Last update timestamp on package manager
📥 Download count from package manager
📦 Number of dependent projects
Flake8 related project
Pytest related project
Pylint related project
Sphinx related project
MkDocs related project

Linters & Style Checkers

ruff (🥇35 · ⭐ 49K) - An extremely fast Python linter and code formatter, written in Rust. MIT

GitHub (👨‍💻 950 · 🔀 2.3K · 📦 230K):
```
git clone https://github.com/charliermarsh/ruff
```
PyPi (📥 340M / month · 📦 86K · ⏱️ 13.08.2026):
```
pip install ruff
```
Conda (📥 8.4M · ⏱️ 16.08.2026):
```
conda install -c conda-forge ruff
```

pylint (🥇33 · ⭐ 5.7K) - python code static checker. ❗️GPL-2.0

GitHub (👨‍💻 670 · 🔀 1.3K · 📦 490K):
```
git clone https://github.com/PyCQA/pylint
```
PyPi (📥 65M / month · 📦 14K · ⏱️ 09.08.2026):
```
pip install pylint
```
Conda (📥 8.6M · ⏱️ 10.08.2026):
```
conda install -c conda-forge pylint
```

flake8 (🥇32 · ⭐ 3.8K) - Flake8 is a wrapper around these tools: PyFlakes; pycodestyle; Ned.. MIT

GitHub (👨‍💻 180 · 🔀 350 · 📦 690K):
```
git clone https://github.com/PyCQA/flake8
```
PyPi (📥 57M / month · 📦 27K · ⏱️ 20.06.2025):
```
pip install flake8
```
Conda (📥 11M · ⏱️ 26.06.2025):
```
conda install -c conda-forge flake8
```

parso (🥇30 · ⭐ 670) - A Python Parser. MIT

GitHub (👨‍💻 54 · 🔀 120 · 📦 610K):

git clone https://github.com/davidhalter/parso

PyPi (📥 140M / month · 📦 1.2K · ⏱️ 01.05.2026):
```
pip install parso
```
Conda (📥 40M · ⏱️ 02.05.2026):
```
conda install -c conda-forge parso
```

wemake-python-styleguide (🥈29 · ⭐ 2.9K) - The strictest and most opinionated python linter ever!. MIT

GitHub (👨‍💻 230 · 🔀 420 · 📦 18K):

git clone https://github.com/wemake-services/wemake-python-styleguide

PyPi (📥 270K / month · 📦 130 · ⏱️ 31.07.2026):
```
pip install wemake-python-styleguide
```

beartype (🥈28 · ⭐ 3.5K) - Unbearably fast near-real-time pure-Python runtime-static type-checker. MIT

GitHub (👨‍💻 33 · 🔀 80 · 📦 14K):

git clone https://github.com/beartype/beartype

PyPi (📥 99M / month · 📦 1.3K · ⏱️ 08.08.2026):
```
pip install beartype
```
Conda (📥 810K · ⏱️ 14.12.2025):
```
conda install -c conda-forge beartype
```

pycodestyle (🥈27 · ⭐ 5.2K · 💤) - Simple Python style checker in one Python file. MIT

GitHub (👨‍💻 140 · 🔀 750):

git clone https://github.com/PyCQA/pycodestyle

PyPi (📥 84M / month · 📦 2.2K · ⏱️ 20.06.2025):
```
pip install pycodestyle
```

Conda (📥 11M · ⏱️ 22.06.2025):

conda install -c conda-forge pycodestyle

flake8-bugbear (🥈27 · ⭐ 1.1K) - A plugin for Flake8 finding likely bugs and design problems.. MIT

GitHub (👨‍💻 94 · 🔀 120 · 📦 43K):

git clone https://github.com/PyCQA/flake8-bugbear

PyPi (📥 4.6M / month · 📦 1.5K · ⏱️ 29.11.2025):
```
pip install flake8-bugbear
```

Conda (📥 930K · ⏱️ 02.12.2025):

conda install -c conda-forge flake8-bugbear

hacking (🥈26 · ⭐ 240) - OpenStack Hacking Style Checks. Mirror of code maintained at.. Apache-2

GitHub (👨‍💻 190 · 🔀 65 · 📦 8K):

git clone https://github.com/openstack/hacking

PyPi (📥 140K / month · 📦 110 · ⏱️ 11.06.2026):
```
pip install hacking
```

mypy-protobuf (🥈25 · ⭐ 710) - Generate mypy stub files from protobuf specs. Apache-2

GitHub (👨‍💻 40 · 🔀 82 · 📦 4.8K):

git clone https://github.com/dropbox/mypy-protobuf

PyPi (📥 8.6M / month · 📦 300 · ⏱️ 28.04.2026):
```
pip install mypy-protobuf
```

Conda (📥 190K · ⏱️ 28.04.2026):

conda install -c conda-forge mypy-protobuf

pylint-django (🥈25 · ⭐ 620) - A Pylint plugin to help Pylint understand the Django.. ❗️GPL-3.0

GitHub (👨‍💻 73 · 🔀 120 · 📦 33K):

git clone https://github.com/PyCQA/pylint-django

PyPi (📥 2.3M / month · 📦 180 · ⏱️ 11.07.2026):
```
pip install pylint-django
```

Conda (📥 570K · ⏱️ 11.07.2026):

conda install -c conda-forge pylint-django

flake8-isort (🥈25 · ⭐ 180 · 💤) - flake8 plugin that integrates isort. ❗️GPL-2.0

GitHub (👨‍💻 40 · 🔀 200 · 📦 29K):

git clone https://github.com/gforcada/flake8-isort

PyPi (📥 1.5M / month · 📦 630 · ⏱️ 25.10.2025):
```
pip install flake8-isort
```

Conda (📥 110K · ⏱️ 25.10.2025):

conda install -c conda-forge flake8-isort

flake8-comprehensions (🥉24 · ⭐ 470 · 💤) - A flake8 plugin to help you write better.. MIT

GitHub (👨‍💻 16 · 🔀 23 · 📦 30K):

git clone https://github.com/adamchainz/flake8-comprehensions

PyPi (📥 1.7M / month · 📦 780 · ⏱️ 09.09.2025):
```
pip install flake8-comprehensions
```

Conda (📥 1.2M · ⏱️ 10.09.2025):

conda install -c conda-forge flake8-comprehensions

check-manifest (🥉24 · ⭐ 290 · 💤) - Tool to check the completeness of MANIFEST.in for Python.. MIT

GitHub (👨‍💻 23 · 🔀 37 · 📦 12K):

git clone https://github.com/mgedmin/check-manifest

PyPi (📥 900K / month · 📦 5K · ⏱️ 15.10.2025):
```
pip install check-manifest
```

Conda (📥 220K · ⏱️ 15.10.2025):

conda install -c conda-forge check-manifest

flake8-black (🥉22 · ⭐ 160 · 💤) - flake8 plugin to run black for checking Python coding style. MIT

GitHub (👨‍💻 11 · 🔀 11 · 📦 8.8K):

git clone https://github.com/peterjc/flake8-black

PyPi (📥 600K / month · 📦 540 · ⏱️ 21.09.2025):
```
pip install flake8-black
```

Conda (📥 500K · ⏱️ 22.09.2025):

conda install -c conda-forge flake8-black

flake8-commas (🥉22 · ⭐ 130 · 💤) - Flake8 extension for enforcing trailing commas in python. MIT

GitHub (👨‍💻 15 · 🔀 30 · 📦 19K):

git clone https://github.com/PyCQA/flake8-commas

PyPi (📥 290K / month · 📦 220 · ⏱️ 16.05.2024):
```
pip install flake8-commas
```

flake8-builtins (🥉22 · ⭐ 120 · 💤) - Check for python builtins being used as variables or.. ❗️GPL-2.0

GitHub (👨‍💻 21 · 🔀 25 · 📦 12K):

git clone https://github.com/gforcada/flake8-builtins

PyPi (📥 910K / month · 📦 590 · ⏱️ 25.10.2025):
```
pip install flake8-builtins
```

Conda (📥 710K · ⏱️ 27.10.2025):

conda install -c conda-forge flake8-builtins

flake8-import-order (🥉21 · ⭐ 280) - Flake8 plugin that checks import order against.. ❗️LGPL-3.0

GitHub (👨‍💻 50 · 🔀 73):

git clone https://github.com/PyCQA/flake8-import-order

PyPi (📥 1.6M / month · 📦 650 · ⏱️ 24.06.2025):
```
pip install flake8-import-order
```

Conda (📥 610K · ⏱️ 26.06.2025):

conda install -c conda-forge flake8-import-order

nitpick (🥉20 · ⭐ 410 · 💤) - Enforce the same settings on multiple projects. MIT

GitHub (👨‍💻 18 · 🔀 24 · 📦 1.4K):

git clone https://github.com/andreoliwa/nitpick

PyPi (📥 22K / month · 📦 26 · ⏱️ 30.11.2025):
```
pip install nitpick
```

flake8-simplify (🥉19 · ⭐ 200 · 💤) - A flake8 plugin that helps you to simplify code. MIT

GitHub (👨‍💻 16 · 🔀 23):

git clone https://github.com/MartinThoma/flake8-simplify

PyPi (📥 400K / month · 📦 140 · ⏱️ 01.01.2026):
```
pip install flake8-simplify
```

Conda (📥 77K · ⏱️ 06.01.2026):

conda install -c conda-forge flake8-simplify

lintlang (🥉11 · ⭐ 59 · 🐣) - Static analysis for AI agent configs, tool descriptions, and.. Apache-2

GitHub (👨‍💻 2 · 🔀 1):

git clone https://github.com/hermes-labs-ai/lintlang

PyPi (📥 1.5K / month · ⏱️ 15.08.2026):
```
pip install lintlang
```

Show 20 hidden projects...

pyflakes (🥇30 · ⭐ 1.4K · 💀) - A simple program which checks Python source files for errors. MIT
pydocstyle (🥈28 · ⭐ 1.1K · 💀) - docstring style checker. MIT
pep8-naming (🥈25 · ⭐ 530 · 💀) - Naming Convention checker for Python. ❗️Saxpath
darglint (🥈25 · ⭐ 480 · 💀) - A python documentation linter which checks that the docstring.. MIT
flake8-quotes (🥈25 · ⭐ 180 · 💀) - Flake8 extension for checking quotes in python. MIT
pylama (🥉23 · ⭐ 1K · 💀) - Code audit tool for python. MIT
flake8-eradicate (🥉23 · ⭐ 310 · 💀) - Flake8 plugin to find commented out or dead code. MIT
coala (🥉20 · ⭐ 3.6K · 💀) - coala provides a unified command-line interface for linting and.. ❗️AGPL-3.0
flake8-bandit (🥉20 · ⭐ 110 · 💀) - Automated security testing using bandit and flake8. MIT
Fixit (🥉19 · ⭐ 690 · 💤) - Advanced Python linting framework with auto-fixes and.. ❗Unlicensed
data-science-types (🥉19 · ⭐ 200 · 💀) - Type stubs for Python machine learning libraries. Apache-2
pandas-vet (🥉18 · ⭐ 170 · 💀) - A plugin for Flake8 that checks pandas code. MIT
flake8-mypy (🥉18 · ⭐ 100 · 💀) - A plugin for flake8 integrating Mypy. MIT
pylint-flask (🥉18 · ⭐ 64 · 💀) - A Pylint plugin to analyze Flask applications. ❗️GPL-2.0
pycycle (🥉17 · ⭐ 340 · 💀) - Tool for pinpointing circular imports in Python. Find cyclic imports.. MIT
flakehell (🥉17 · ⭐ 230 · 💀) - Flake8 wrapper to make it nice, legacy-friendly, configurable. MIT
bellybutton (🥉16 · ⭐ 270 · 💀) - Custom Python linting through AST expressions. MIT
imhotep (🥉15 · ⭐ 220 · 💀) - A static-analysis bot for Github. MIT
yala (🥉14 · ⭐ 14 · 💀) - Yet Another Linter Aggregator. MIT
linty_fresh (🥉12 · ⭐ 180 · 💀) - Surface lint errors during code review. Apache-2 mypy

Type checkers

pyright (🥈31 · ⭐ 16K) - Static Type Checker for Python. MIT

GitHub (👨‍💻 160 · 🔀 1.8K · 📦 1.7K):
```
git clone https://github.com/Microsoft/pyright
```
npm (📥 3.4M / month · 📦 110 · ⏱️ 14.08.2026):
```
npm install pyright
```

pyre-check (🥉24 · ⭐ 7.2K) - Performant type-checking for python. MIT

GitHub (👨‍💻 310 · 🔀 450 · 📦 24):

git clone https://github.com/facebook/pyre-check

PyPi (📥 240K / month · 📦 110 · ⏱️ 06.08.2026):
```
pip install pyre-check
```

Show 3 hidden projects...

mypy (🥇35 · ⭐ 21K) - Optional static typing for Python. ❗Unlicensed
typeguard (🥉28 · ⭐ 1.8K) - Run-time type checker for Python. ❗Unlicensed
pytype (🥉26 · ⭐ 4.9K · 💀) - A static type analyzer for Python code. Apache-2

Code Formatters

black (🥇37 · ⭐ 42K) - The uncompromising Python code formatter. MIT

GitHub (👨‍💻 550 · 🔀 2.8K · 📦 690K):
```
git clone https://github.com/psf/black
```
PyPi (📥 180M / month · 📦 66K · ⏱️ 18.05.2026):
```
pip install black
```
Conda (📥 19M · ⏱️ 22.05.2026):
```
conda install -c conda-forge black
```

isort (🥈33 · ⭐ 6.9K · 📉) - A Python utility / library to sort imports. MIT

GitHub (👨‍💻 350 · 🔀 680 · 📦 590K):
```
git clone https://github.com/PyCQA/isort
```
PyPi (📥 140M / month · 📦 29K · ⏱️ 16.08.2026):
```
pip install isort
```
Conda (📥 9.9M · ⏱️ 28.02.2026):
```
conda install -c conda-forge isort
```

yapf (🥈31 · ⭐ 14K · 💤) - A formatter for Python files. Apache-2

GitHub (👨‍💻 160 · 🔀 900 · 📦 110K):
```
git clone https://github.com/google/yapf
```
PyPi (📥 9.5M / month · 📦 1.3K · ⏱️ 14.11.2024):
```
pip install yapf
```
Conda (📥 3.7M · ⏱️ 22.04.2025):
```
conda install -c conda-forge yapf
```

Show 4 hidden projects...

autopep8 (🥉29 · ⭐ 4.6K · 💀) - A tool that automatically formats Python code to conform to the PEP.. MIT
docformatter (🥉22 · ⭐ 590) - Formats docstrings to follow PEP 257. ❗Unlicensed
pyformat (🥉16 · ⭐ 94 · 💀) - Formats Python code to follow a consistent style. ❗️Saxpath
autoimport (🥉15 · ⭐ 96 · 💀) - Autoimport automatically fixes wrong import statements. ❗️GPL-3.0

Code Refactoring

jedi (🥇34 · ⭐ 6.1K) - Awesome autocompletion, static analysis and refactoring library for python. MIT

GitHub (👨‍💻 180 · 🔀 530 · 📦 600K):
```
git clone https://github.com/davidhalter/jedi
```
PyPi (📥 140M / month · 📦 1.6K · ⏱️ 01.05.2026):
```
pip install jedi
```
Conda (📥 41M · ⏱️ 23.06.2026):
```
conda install -c conda-forge jedi
```

vulture (🥇27 · ⭐ 4.8K) - Find dead Python code. MIT

GitHub (👨‍💻 56 · 🔀 200 · 📦 7.7K):

git clone https://github.com/jendrikseipp/vulture

PyPi (📥 13M / month · 📦 660 · ⏱️ 25.03.2026):
```
pip install vulture
```
Conda (📥 250K · ⏱️ 26.03.2026):
```
conda install -c conda-forge vulture
```

rope (🥇27 · ⭐ 2.2K · 💤) - a python refactoring library. ❗️LGPL-3.0

GitHub (👨‍💻 87 · 🔀 190 · 📦 79K):

git clone https://github.com/python-rope/rope

PyPi (📥 2.1M / month · 📦 320 · ⏱️ 12.07.2025):
```
pip install rope
```
Conda (📥 2.6M · ⏱️ 13.07.2025):
```
conda install -c conda-forge rope
```

pyupgrade (🥈24 · ⭐ 4K · 💤) - A tool (and pre-commit hook) to automatically upgrade syntax for.. MIT

GitHub (👨‍💻 37 · 🔀 200):

git clone https://github.com/asottile/pyupgrade

PyPi (📥 1.6M / month · 📦 630 · ⏱️ 19.11.2025):
```
pip install pyupgrade
```
Conda (📥 1M · ⏱️ 19.11.2025):
```
conda install -c conda-forge pyupgrade
```

autoflake (🥈23 · ⭐ 960) - Removes unused imports and unused variables. MIT

GitHub (👨‍💻 42 · 🔀 87):

git clone https://github.com/myint/autoflake

PyPi (📥 7.3M / month · 📦 1.4K · ⏱️ 20.02.2026):
```
pip install autoflake
```
Conda (📥 690K · ⏱️ 20.02.2026):
```
conda install -c conda-forge autoflake
```

add-trailing-comma (🥉18 · ⭐ 370 · 💤) - A tool (and pre-commit hook) to automatically add.. MIT

GitHub (👨‍💻 11 · 🔀 29):

git clone https://github.com/asottile/add-trailing-comma

PyPi (📥 91K / month · 📦 41 · ⏱️ 10.10.2025):
```
pip install add-trailing-comma
```

unimport (🥉18 · ⭐ 250) - The ultimate linter and formatter for removing unused import statements.. MIT

GitHub (👨‍💻 16 · 🔀 21 · 📦 170):

git clone https://github.com/hakancelik96/unimport

PyPi (📥 49K / month · 📦 45 · ⏱️ 02.06.2026):
```
pip install unimport
```

massedit (🥉15 · ⭐ 120 · 💤) - Programmatically edit text files with Python. Useful for source to.. MIT

GitHub (👨‍💻 9 · 🔀 14 · 📦 54):

git clone https://github.com/elmotec/massedit

PyPi (📥 2K / month · 📦 3 · ⏱️ 21.09.2025):
```
pip install massedit
```

Show 10 hidden projects...

MonkeyType (🥈21 · ⭐ 4.9K · 💀) - A Python library that generates static type annotations by.. BSD-3
redbaron (🥈21 · ⭐ 720 · 💀) - Bottom-up approach to refactoring in python. ❗️LGPL-3.0
eradicate (🥈21 · ⭐ 220 · 💤) - Removes commented-out code. ❗️Saxpath
Bowler (🥉20 · ⭐ 1.6K · 💀) - Safe code refactoring for modern Python. MIT
pyannotate (🥉20 · ⭐ 1.4K · 💀) - Auto-generate PEP-484 annotations. Apache-2
baron (🥉20 · ⭐ 300 · 💀) - IDE allow you to refactor code, Baron allows you to write.. ❗️LGPL-3.0
unify (🥉18 · ⭐ 94 · 💀) - Modifies strings to all use the same quote where possible. MIT
com2ann (🥉17 · ⭐ 160 · 💀) - Tool for translation type comments to type annotations in Python. MIT
retype (🥉13 · ⭐ 140 · 💀) - Re-apply type annotations from .pyi stubs to your codebase. MIT
pep8ify (🥉13 · ⭐ 120 · 💀) - A library that modifies python source code to conform to pep8. Apache-2

Code Security

bandit (🥇30 · ⭐ 8.1K · 📉) - Bandit is a tool designed to find common security issues in.. Apache-2

GitHub (👨‍💻 200 · 🔀 780 · 📦 68K):
```
git clone https://github.com/PyCQA/bandit
```
PyPi (📥 30M / month · 📦 3.4K · ⏱️ 25.02.2026):
```
pip install bandit
```
Conda (📥 720K · ⏱️ 25.02.2026):
```
conda install -c conda-forge bandit
```

safety (🥈29 · ⭐ 2K) - Safety checks Python dependencies for known security vulnerabilities and.. MIT

GitHub (👨‍💻 56 · 🔀 180 · 📦 20K):
```
git clone https://github.com/pyupio/safety
```
PyPi (📥 4.7M / month · 📦 1.4K · ⏱️ 29.05.2026):
```
pip install safety
```
Conda (📥 190K · ⏱️ 30.05.2026):
```
conda install -c conda-forge safety
```

sqlmap (🥉25 · ⭐ 38K) - Automatic SQL injection and database takeover tool. ❗️GPL-3.0

GitHub (👨‍💻 160 · 🔀 6.3K · 📦 24):

git clone https://github.com/sqlmapproject/sqlmap

PyPi (📥 66K / month · 📦 13 · ⏱️ 04.08.2026):
```
pip install sqlmap
```

dlint (🥉18 · ⭐ 180 · 💤) - Dlint is a tool for encouraging best coding practices and helping.. BSD-3

GitHub (👨‍💻 16 · 🔀 17):

git clone https://github.com/dlint-py/dlint

PyPi (📥 78K / month · 📦 110 · ⏱️ 31.10.2024):
```
pip install dlint
```
Conda (📥 15K · ⏱️ 22.04.2025):
```
conda install -c conda-forge dlint
```

Show 4 hidden projects...

pyarmor (🥈26 · ⭐ 5.1K) - A tool used to obfuscate python scripts, bind obfuscated scripts.. ❗️SGI-B-2.0
detect-secrets (🥉24 · ⭐ 4.2K · 💀) - An enterprise friendly way of detecting and preventing.. Apache-2
dodgy (🥉19 · ⭐ 120 · 💀) - Dodgy: Searches for dodgy looking lines in Python code. MIT
pyt (🥉16 · ⭐ 2.2K · 💀) - A Static Analysis Tool for Detecting Security Vulnerabilities in.. ❗️GPL-2.0

Virtual Environments

virtualenv (🥇36 · ⭐ 5K) - Virtual Python Environment builder. MIT

GitHub (👨‍💻 310 · 🔀 1.1K · 📦 510K):
```
git clone https://github.com/pypa/virtualenv
```
PyPi (📥 560M / month · 📦 2.2K · ⏱️ 10.08.2026):
```
pip install virtualenv
```

Conda (📥 24M · ⏱️ 11.08.2026):

conda install -c conda-forge virtualenv

pipenv (🥈35 · ⭐ 25K) - Python Development Workflow for Humans. MIT

GitHub (👨‍💻 550 · 🔀 1.9K · 📦 170K):
```
git clone https://github.com/pypa/pipenv
```
PyPi (📥 26M / month · 📦 260 · ⏱️ 04.08.2026):
```
pip install pipenv
```
Conda (📥 360K · ⏱️ 04.08.2026):
```
conda install -c conda-forge pipenv
```

nodeenv (🥈31 · ⭐ 1.8K · 💤) - Virtual environment for Node.js & integrator with virtualenv. BSD-3

GitHub (👨‍💻 110 · 🔀 220 · 📦 150K):
```
git clone https://github.com/ekalinin/nodeenv
```
PyPi (📥 220M / month · 📦 410 · ⏱️ 20.12.2025):
```
pip install nodeenv
```
Conda (📥 9.6M · ⏱️ 20.12.2025):
```
conda install -c conda-forge nodeenv
```

Show 7 hidden projects...

pyenv (🥈23 · ⭐ 41K · 💀) - Simple Python version management. MIT
pyenv-virtualenv (🥉14 · ⭐ 6.3K · 💀) - a pyenv plugin to manage virtualenv (a.k.a. python-.. MIT
vex (🥉14 · ⭐ 350 · 💀) - Run a command in the named virtualenv. MIT
pyenv-installer (🥉12 · ⭐ 3.9K · 💀) - This tool is used to install pyenv and friends. MIT
dh-virtualenv (🥉11 · ⭐ 1.6K · 💀) - Python virtualenvs in Debian packages. ❗️GPL-2.0
freshenv (🥉11 · ⭐ 150 · 💀) - Provision, share, manage local and cloud developer environments. MPL-2.0
pipenv-pipes (🥉10 · ⭐ 130 · 💀) - A PipEnv Environment Switcher. MIT

Dependency & Package Managers

pip (🥇36 · ⭐ 10K) - The Python package installer. MIT

GitHub (👨‍💻 910 · 🔀 3.3K · 📦 260K):
```
git clone https://github.com/pypa/pip
```
PyPi (📥 720M / month · 📦 6.2K · ⏱️ 04.08.2026):
```
pip install pip
```
Conda (📥 250M · ⏱️ 05.08.2026):
```
conda install -c conda-forge pip
```

poetry (🥇32 · ⭐ 34K) - Python packaging and dependency management made easy. MIT

GitHub (👨‍💻 670 · 🔀 2.5K):

git clone https://github.com/python-poetry/poetry

PyPi (📥 81M / month · 📦 920 · ⏱️ 09.05.2026):
```
pip install poetry
```
Conda (📥 8.3M · ⏱️ 09.05.2026):
```
conda install -c conda-forge poetry
```

pipx (🥈31 · ⭐ 13K) - Install and Run Python Applications in Isolated Environments. MIT

GitHub (👨‍💻 210 · 🔀 590 · 📦 4.9K):
```
git clone https://github.com/pypa/pipx
```
PyPi (📥 7.3M / month · 📦 110 · ⏱️ 13.08.2026):
```
pip install pipx
```
Conda (📥 250K · ⏱️ 05.06.2026):
```
conda install -c conda-forge pipx
```

pip-tools (🥈31 · ⭐ 8K) - A set of tools to keep your pinned Python dependencies fresh. BSD-3

GitHub (👨‍💻 230 · 🔀 670 · 📦 38K):

git clone https://github.com/jazzband/pip-tools

PyPi (📥 17M / month · 📦 3.2K · ⏱️ 12.08.2026):
```
pip install pip-tools
```
Conda (📥 360K · ⏱️ 14.08.2026):
```
conda install -c conda-forge pip-tools
```

PDM (🥈30 · ⭐ 8.7K) - A modern Python package and dependency manager supporting the latest PEP.. MIT

GitHub (👨‍💻 260 · 🔀 480 · 📦 630):
```
git clone https://github.com/pdm-project/pdm
```
PyPi (📥 12M / month · 📦 240 · ⏱️ 18.08.2026):
```
pip install pdm
```
Conda (📥 1.9M · ⏱️ 18.08.2026):
```
conda install -c conda-forge pdm
```

conda (🥈30 · ⭐ 7.5K) - A system-level, binary package and environment manager running on all.. BSD-3

GitHub (👨‍💻 500 · 🔀 2.2K · 📦 52K):
```
git clone https://github.com/conda/conda
```
PyPi (📥 5.5K / month · 📦 83 · ⏱️ 22.04.2017):
```
pip install conda
```
Conda (📥 80M · ⏱️ 03.08.2026):
```
conda install -c conda-forge conda
```

pipreqs (🥉28 · ⭐ 7.4K) - pipreqs - Generate pip requirements.txt file based on imports of any.. Apache-2

GitHub (👨‍💻 76 · 🔀 420 · 📦 41K):
```
git clone https://github.com/bndr/pipreqs
```
PyPi (📥 890K / month · 📦 320 · ⏱️ 18.02.2024):
```
pip install pipreqs
```
Conda (📥 120K · ⏱️ 20.06.2026):
```
conda install -c conda-forge pipreqs
```

mamba (🥉20 · ⭐ 8.1K) - The Fast Cross-Platform Package Manager. BSD-3

GitHub (👨‍💻 190 · 🔀 450):

git clone https://github.com/mamba-org/mamba

Conda (📥 28M · ⏱️ 07.08.2026):
```
conda install -c conda-forge mamba
```

pyflow (🥉18 · ⭐ 1.3K · 💤) - An installation and dependency system for Python. MIT

GitHub (👨‍💻 30 · 🔀 48 · 📦 44):

git clone https://github.com/David-OConnor/pyflow

PyPi (📥 480 / month · 📦 1 · ⏱️ 02.07.2021):
```
pip install pyflow
```

Show 2 hidden projects...

dephell (🥉21 · ⭐ 1.8K · 💀) - Python project management. Manage packages: convert between formats,.. MIT
pip-run (🥉15 · ⭐ 140 · 💀) - pip-run - dynamic dependency loader for Python. ❗Unlicensed

Code Metrics & Complexity

mccabe (🥇28 · ⭐ 680 · 💀) - McCabe complexity checker for Python. ❗️Saxpath

GitHub (👨‍💻 24 · 🔀 63 · 📦 530K):
```
git clone https://github.com/PyCQA/mccabe
```
PyPi (📥 93M / month · 📦 930 · ⏱️ 24.01.2022):
```
pip install mccabe
```
Conda (📥 13M · ⏱️ 22.04.2025):
```
conda install -c conda-forge mccabe
```

prospector (🥈26 · ⭐ 2.1K) - Prospector is a tool to analyse Python code by aggregating the.. ❗️GPL-2.0

GitHub (👨‍💻 99 · 🔀 180 · 📦 5.6K):
```
git clone https://github.com/PyCQA/prospector
```
PyPi (📥 460K / month · 📦 310 · ⏱️ 16.07.2026):
```
pip install prospector
```

Conda (📥 260K · ⏱️ 16.07.2026):

conda install -c conda-forge prospector

wily (🥉22 · ⭐ 1.3K) - A Python application for tracking, reporting on timing and complexity in.. Apache-2

GitHub (👨‍💻 25 · 🔀 67 · 📦 310):

git clone https://github.com/tonybaloney/wily

PyPi (📥 60K / month · 📦 14 · ⏱️ 26.04.2026):
```
pip install wily
```

Show 3 hidden projects...

radon (🥈26 · ⭐ 1.9K · 💀) - Various code metrics for Python code. MIT
xenon (🥉20 · ⭐ 81 · 💀) - Monitoring tool based on radon. MIT
cohesion (🥉15 · ⭐ 250 · 💀) - A tool for measuring Python class cohesion. ❗️GPL-3.0

Logging

tqdm (🥇37 · ⭐ 31K) - A Fast, Extensible Progress Bar for Python and CLI. MPL-2.0

GitHub (👨‍💻 150 · 🔀 1.5K · 📦 1.2M):
```
git clone https://github.com/tqdm/tqdm
```
PyPi (📥 690M / month · 📦 59K · ⏱️ 27.07.2026):
```
pip install tqdm
```
Conda (📥 56M · ⏱️ 27.07.2026):
```
conda install -c conda-forge tqdm
```
Docker Hub (📥 8.7K · ⭐ 3 · ⏱️ 15.08.2026):
```
docker pull tqdm/tqdm
```

rich (🥇36 · ⭐ 56K) - Rich is a Python library for rich text and beautiful formatting in the terminal. MIT

GitHub (👨‍💻 290 · 🔀 2.2K · 📦 560K):
```
git clone https://github.com/Textualize/rich
```
PyPi (📥 650M / month · 📦 44K · ⏱️ 12.04.2026):
```
pip install rich
```
Conda (📥 25M · ⏱️ 12.04.2026):
```
conda install -c conda-forge rich
```

loguru (🥇31 · ⭐ 24K) - Python logging made (stupidly) simple. MIT

GitHub (👨‍💻 77 · 🔀 800 · 📦 160K):
```
git clone https://github.com/Delgan/loguru
```
PyPi (📥 85M / month · 📦 15K · ⏱️ 06.12.2024):
```
pip install loguru
```
Conda (📥 4.8M · ⏱️ 16.01.2026):
```
conda install -c conda-forge loguru
```

structlog (🥇31 · ⭐ 4.8K) - Simple, powerful, and fast logging for Python. Apache-2

GitHub (👨‍💻 140 · 🔀 280 · 📦 38K):
```
git clone https://github.com/hynek/structlog
```
PyPi (📥 120M / month · 📦 5K · ⏱️ 06.06.2026):
```
pip install structlog
```
Conda (📥 1.5M · ⏱️ 06.06.2026):
```
conda install -c conda-forge structlog
```

sentry-sdk (🥇31 · ⭐ 2.2K) - The official Python SDK for Sentry.io. MIT

GitHub (👨‍💻 350 · 🔀 650):

git clone https://github.com/getsentry/sentry-python

PyPi (📥 180M / month · 📦 1.9K · ⏱️ 13.08.2026):
```
pip install sentry-sdk
```

Conda (📥 1.9M · ⏱️ 13.08.2026):

conda install -c conda-forge sentry-sdk

tabulate (🥈30 · ⭐ 2.6K) - Pretty-print tabular data in Python, a library and a command-line.. MIT

GitHub (👨‍💻 110 · 🔀 200):

git clone https://github.com/astanin/python-tabulate

PyPi (📥 240M / month · 📦 12K · ⏱️ 04.03.2026):
```
pip install tabulate
```
Conda (📥 14M · ⏱️ 05.03.2026):
```
conda install -c conda-forge tabulate
```

python-json-logger (🥈29 · ⭐ 1.8K) - Json Formatter for the standard python logger. BSD-2

GitHub (👨‍💻 64 · 🔀 230):

git clone https://github.com/madzak/python-json-logger

PyPi (📥 120M / month · 📦 1.7K · ⏱️ 15.08.2026):
```
pip install python-json-logger
```

Conda (📥 18M · ⏱️ 16.08.2026):

conda install -c conda-forge python-json-logger

colorlog (🥈29 · ⭐ 970) - A colored formatter for the python logging module. MIT

GitHub (👨‍💻 37 · 🔀 99 · 📦 68K):

git clone https://github.com/borntyping/python-colorlog

PyPi (📥 64M / month · 📦 3.2K · ⏱️ 23.07.2026):
```
pip install colorlog
```
Conda (📥 7.6M · ⏱️ 18.07.2026):
```
conda install -c conda-forge colorlog
```

python-coloredlogs (🥉27 · ⭐ 550 · 💤) - Colored terminal output for Pythons logging module. MIT

GitHub (👨‍💻 17 · 🔀 45 · 📦 87K):

git clone https://github.com/xolox/python-coloredlogs

PyPi (📥 41M / month · 📦 1.9K · ⏱️ 11.06.2021):
```
pip install coloredlogs
```
Conda (📥 25K · ⏱️ 03.11.2025):
```
conda install -c anaconda coloredlogs
```

alive-progress (🥉26 · ⭐ 5.9K) - A new kind of Progress Bar, with real-time throughput, ETA, and.. MIT

GitHub (👨‍💻 11 · 🔀 210 · 📦 5.2K):

git clone https://github.com/rsalmei/alive-progress

PyPi (📥 3.8M / month · 📦 590 · ⏱️ 20.07.2025):
```
pip install alive-progress
```

Conda (📥 340K · ⏱️ 08.03.2026):

conda install -c conda-forge alive-progress

progressbar2 (🥉26 · ⭐ 880) - Progressbar 2 - A progress bar for Python 2 and Python 3 - pip.. BSD-3

GitHub (👨‍💻 140 · 🔀 110):

git clone https://github.com/WoLpH/python-progressbar

PyPi (📥 20M / month · 📦 1.1K · ⏱️ 14.08.2026):
```
pip install progressbar2
```

Conda (📥 5.4M · ⏱️ 14.08.2026):

conda install -c conda-forge progressbar2

stackprinter (🥉23 · ⭐ 1.3K) - Debugging-friendly exceptions for Python. MIT

GitHub (👨‍💻 9 · 🔀 42 · 📦 450):

git clone https://github.com/cknd/stackprinter

PyPi (📥 450K / month · 📦 54 · ⏱️ 17.04.2026):
```
pip install stackprinter
```

Conda (📥 21K · ⏱️ 20.04.2026):

conda install -c conda-forge stackprinter

better-exceptions (🥉22 · ⭐ 4.7K · 💤) - Pretty and useful exceptions in Python, automatically. MIT

GitHub (👨‍💻 20 · 🔀 200):

git clone https://github.com/Qix-/better-exceptions

PyPi (📥 500K / month · 📦 100 · ⏱️ 29.01.2021):
```
pip install better-exceptions
```

rebound (🥉21 · ⭐ 4.1K) - Command-line tool that instantly fetches Stack Overflow results.. ❗️GPL-3.0

GitHub (👨‍💻 16 · 🔀 380):

git clone https://github.com/shobrook/rebound

PyPi (📥 37K / month · 📦 59 · ⏱️ 22.07.2026):
```
pip install rebound
```
Conda (📥 1.3M · ⏱️ 10.07.2026):
```
conda install -c conda-forge rebound
```

Show 7 hidden projects...

prettytable (🥈29 · ⭐ 1.7K) - A simple Python library for easily displaying tabular data.. ❗Unlicensed
logbook (🥉25 · ⭐ 1.5K) - A cool logging replacement for Python. ❗Unlicensed
notifiers (🥉24 · ⭐ 2.7K · 💀) - The easy way to send notifications. MIT
wasabi (🥉24 · ⭐ 460 · 💀) - A lightweight console printing and formatting toolkit. MIT
python-devtools (🥉21 · ⭐ 970 · 💀) - Dev tools for python. MIT
PrettyErrors (🥉20 · ⭐ 2.9K · 💀) - Prettify Python exception output to make it legible. MIT
tbvaccine (🥉14 · ⭐ 300 · 💀) - A small utility to pretty-print Python tracebacks. MIT

Shell

xxh (🥉16 · ⭐ 5.8K · 💤) - Bring your favorite shell wherever you go through the ssh. Xonsh shell,.. BSD-2

GitHub (👨‍💻 29 · 🔀 120):
```
git clone https://github.com/xxh/xxh
```
PyPi (📥 1.2K / month · ⏱️ 06.04.2024):
```
pip install xxh-xxh
```

Show 1 hidden projects...

xonsh (🥇27 · ⭐ 9.6K) - Python-powered shell. Full-featured, cross-platform and AI-.. ❗️BSD-1-Clause

Documentation

mkdocs-material (🥇34 · ⭐ 27K) - Documentation that simply works. MIT

GitHub (👨‍💻 330 · 🔀 4.1K · 📦 92K):

git clone https://github.com/squidfunk/mkdocs-material

PyPi (📥 18M / month · 📦 15K · ⏱️ 17.07.2026):
```
pip install mkdocs-material
```

Conda (📥 1.1M · ⏱️ 18.07.2026):

conda install -c conda-forge mkdocs-material

mkdocs (🥇32 · ⭐ 22K · 💤) - Project documentation with Markdown. BSD-2

GitHub (👨‍💻 260 · 🔀 2.6K · 📦 110K):
```
git clone https://github.com/mkdocs/mkdocs
```
PyPi (📥 18M / month · 📦 7.1K · ⏱️ 30.08.2024):
```
pip install mkdocs
```
Conda (📥 1.2M · ⏱️ 22.04.2025):
```
conda install -c conda-forge mkdocs
```

sphinx_rtd_theme (🥈30 · ⭐ 5K) - Sphinx theme from Read the Docs. MIT

GitHub (👨‍💻 120 · 🔀 1.8K · 📦 16):

git clone https://github.com/readthedocs/sphinx_rtd_theme

PyPi (📥 14M / month · 📦 20K · ⏱️ 12.01.2026):
```
pip install sphinx_rtd_theme
```

Conda (📥 5.4M · ⏱️ 29.07.2026):

conda install -c conda-forge sphinx_rtd_theme

mkdocstrings (🥈29 · ⭐ 2.1K) - Automatic documentation from sources, for MkDocs. ISC

GitHub (👨‍💻 55 · 🔀 120 · 📦 30K):

git clone https://github.com/mkdocstrings/mkdocstrings

PyPi (📥 8.4M / month · 📦 2.1K · ⏱️ 11.07.2026):
```
pip install mkdocstrings
```

Conda (📥 400K · ⏱️ 12.07.2026):

conda install -c conda-forge mkdocstrings

Griffe (🥈29 · ⭐ 680) - Signatures for entire Python programs. Extract the structure, the frame,.. ISC

GitHub (👨‍💻 50 · 🔀 71 · 📦 18K):

git clone https://github.com/mkdocstrings/griffe

PyPi (📥 34M / month · 📦 680 · ⏱️ 16.08.2026):
```
pip install griffe
```
Conda (📥 1.1M · ⏱️ 17.08.2026):
```
conda install -c conda-forge griffe
```

sphinx-autodoc-typehints (🥈28 · ⭐ 590) - Type hints support for the Sphinx autodoc extension. MIT

GitHub (👨‍💻 70 · 🔀 110 · 📦 62K):

git clone https://github.com/tox-dev/sphinx-autodoc-typehints

PyPi (📥 9.1M / month · 📦 7.6K · ⏱️ 03.08.2026):
```
pip install sphinx-autodoc-typehints
```

Conda (📥 1.1M · ⏱️ 05.08.2026):

conda install -c conda-forge sphinx-autodoc-typehints

sphinx-autobuild (🥈25 · ⭐ 600 · 💤) - Rebuild Sphinx documentation on changes, with hot.. MIT

GitHub (👨‍💻 37 · 🔀 94 · 📦 33K):

git clone https://github.com/executablebooks/sphinx-autobuild

PyPi (📥 5.4M / month · 📦 2.3K · ⏱️ 25.08.2025):
```
pip install sphinx-autobuild
```

Conda (📥 570K · ⏱️ 04.11.2025):

conda install -c conda-forge sphinx-autobuild

sphinx-markdown-builder (🥉24 · ⭐ 160) - DISCONTINUED: sphinx builder that outputs markdown.. MIT

GitHub (👨‍💻 19 · 🔀 60 · 📦 1.6K):

git clone https://github.com/clayrisser/sphinx-markdown-builder

PyPi (📥 580K / month · 📦 270 · ⏱️ 16.08.2026):
```
pip install sphinx-markdown-builder
```

pdoc3 (🥉23 · ⭐ 1.2K · 💤) - Auto-generate API documentation for Python projects. ❗️AGPL-3.0

GitHub (👨‍💻 69 · 🔀 140 · 📦 5.3K):
```
git clone https://github.com/pdoc3/pdoc
```
PyPi (📥 280K / month · 📦 490 · ⏱️ 20.03.2025):
```
pip install pdoc3
```
Conda (📥 3K · ⏱️ 17.10.2025):
```
conda install -c anaconda pdoc3
```

interrogate (🥉23 · ⭐ 660 · 💤) - Explain yourself! Interrogate a codebase for docstring coverage. MIT

GitHub (👨‍💻 17 · 🔀 49 · 📦 9.5K):

git clone https://github.com/econchick/interrogate

PyPi (📥 1.6M / month · 📦 390 · ⏱️ 07.04.2024):
```
pip install interrogate
```

blacken-docs (🥉21 · ⭐ 670 · 💤) - Run Black on Python code blocks in documentation files. MIT

GitHub (👨‍💻 26 · 🔀 45 · 📦 1.6K):

git clone https://github.com/asottile/blacken-docs

PyPi (📥 140K / month · 📦 120 · ⏱️ 08.09.2025):
```
pip install blacken-docs
```

Conda (📥 66K · ⏱️ 08.09.2025):

conda install -c conda-forge blacken-docs

lazydocs (🥉19 · ⭐ 240 · 💤) - Generate markdown API documentation from Google-style Python.. MIT

GitHub (👨‍💻 13 · 🔀 43 · 📦 420):

git clone https://github.com/ml-tooling/lazydocs

PyPi (📥 21K / month · 📦 65 · ⏱️ 27.07.2021):
```
pip install lazydocs
```

mkdocs-print-site-plugin (🥉18 · ⭐ 180) - MkDocs Plugin that adds an additional page that.. MIT

GitHub (👨‍💻 17 · 🔀 28):

git clone https://github.com/timvink/mkdocs-print-site-plugin

PyPi (📥 220K / month · 📦 22 · ⏱️ 03.08.2025):
```
pip install mkdocs-print-site-plugin
```

Show 15 hidden projects...

sphinx (🥇31 · ⭐ 7.7K) - The Sphinx documentation generator. ❗Unlicensed
alabaster (🥈28 · ⭐ 770 · 💀) - A light, configurable Sphinx theme. BSD-3
pdoc (🥈25 · ⭐ 2.4K · 💤) - API Documentation for Python Projects. ❗️MIT-0
breathe (🥈25 · ⭐ 810 · 💀) - Sphinx Doxygen renderer. BSD-3
numpydoc (🥉24 · ⭐ 350) - Numpys Sphinx extensions. ❗Unlicensed
sphinx-bootstrap-theme (🥉22 · ⭐ 590 · 💀) - Sphinx Bootstrap Theme. MIT
mkdocs-with-pdf (🥉21 · ⭐ 360 · 💀) - Generate a single PDF file from MkDocs repository. MIT
pytkdocs (🥉21 · ⭐ 54 · 💀) - Load Python objects documentation. ISC
portray (🥉20 · ⭐ 860 · 💀) - Your Project with Great Documentation. MIT
mkdocs-awesome-pages-plugin (🥉20 · ⭐ 620 · 💀) - An MkDocs plugin that simplifies configuring page.. MIT
mkdocs-pdf-export-plugin (🥉20 · ⭐ 220 · 💀) - An MkDocs plugin to export content pages as PDF files. MIT
pycco (🥉19 · ⭐ 840 · 💀) - Literate-style documentation generator. MIT
releases (🥉19 · ⭐ 180 · 💀) - A powerful Sphinx changelog-generating extension. BSD-2
mkdocs-git-revision-date-plugin (🥉19 · ⭐ 56 · 💀) - MkDocs plugin for setting revision date from git per.. MIT
mkdocs-versioning (🥉16 · ⭐ 40 · 💀) - A tool that allows for versioning sites built with.. MIT

Debugging Tools

icecream (🥇27 · ⭐ 10K) - Never use print() to debug again. MIT

GitHub (👨‍💻 39 · 🔀 220 · 📦 24):
```
git clone https://github.com/gruns/icecream
```
PyPi (📥 2M / month · 📦 600 · ⏱️ 03.04.2026):
```
pip install icecream
```
Conda (📥 110K · ⏱️ 04.04.2026):
```
conda install -c conda-forge icecream
```

pyelftools (🥇27 · ⭐ 2.3K) - Parsing ELF and DWARF in Python. Unlicense

GitHub (👨‍💻 110 · 🔀 550 · 📦 13K):

git clone https://github.com/eliben/pyelftools

PyPi (📥 16M / month · 📦 360 · ⏱️ 29.05.2026):
```
pip install pyelftools
```

Conda (📥 1.8M · ⏱️ 29.05.2026):

conda install -c conda-forge pyelftools

snoop (🥉23 · ⭐ 1.5K) - A powerful set of Python debugging tools, based on PySnooper. MIT

GitHub (👨‍💻 23 · 🔀 43):

git clone https://github.com/alexmojaki/snoop

PyPi (📥 230K / month · 📦 54 · ⏱️ 18.07.2026):
```
pip install snoop
```
Conda (📥 19K · ⏱️ 22.04.2025):
```
conda install -c conda-forge snoop
```

pdbpp (🥉23 · ⭐ 1.4K) - pdb++, a drop-in replacement for pdb (the Python debugger). BSD-3

GitHub (👨‍💻 41 · 🔀 74):

git clone https://github.com/pdbpp/pdbpp

PyPi (📥 1.5M / month · 📦 640 · ⏱️ 23.02.2026):
```
pip install pdbpp
```
Conda (📥 400K · ⏱️ 23.02.2026):
```
conda install -c conda-forge pdbpp
```

python-hunter (🥉19 · ⭐ 870 · 💤) - Hunter is a flexible code tracing toolkit. BSD-2

GitHub (👨‍💻 10 · 🔀 51):

git clone https://github.com/ionelmc/python-hunter

PyPi (📥 970K / month · 📦 17 · ⏱️ 22.08.2025):
```
pip install hunter
```
Conda (📥 240K · ⏱️ 03.11.2025):
```
conda install -c conda-forge hunter
```

Birdseye (🥉16 · ⭐ 1.7K · 💤) - Graphical Python debugger which lets you easily view the values of.. MIT

GitHub (👨‍💻 10 · 🔀 73):

git clone https://github.com/alexmojaki/birdseye

PyPi (📥 1.4K / month · 📦 9 · ⏱️ 06.09.2025):
```
pip install birdseye
```

Show 7 hidden projects...

ipdb (🥇27 · ⭐ 1.8K · 💀) - Integration of IPython pdb. BSD-3
PySnooper (🥈26 · ⭐ 16K · 💀) - Never use print for debugging again. MIT
pudb (🥈24 · ⭐ 3.2K · 💤) - Full-screen console debugger for Python. ❗Unlicensed
gdbgui (🥉21 · ⭐ 10K · 💀) - Browser-based frontend to gdb (gnu debugger). Add breakpoints,.. ❗️GPL-3.0
pyrasite (🥉18 · ⭐ 1.8K · 💀) - Inject code into running Python processes. ❗️GPL-3.0
python-manhole (🥉18 · ⭐ 400 · 💀) - Debugging manhole for python applications. BSD-2
reloadium (🥉15 · ⭐ 3K · 💀) - Hot Reloading and Profiling for Python. Apache-2

Testing Tools

🔗 best-of-web-python - Testing ( ⭐ 2.6K · 💤) - Testing libraries & tools for python web frameworks.

🔗 unittest - Unittest is a test framework included in the Python standard library.

pytest (🥇39 · ⭐ 14K) - The pytest framework makes it easy to write small tests, yet scales to.. MIT

GitHub (👨‍💻 1.2K · 🔀 3.3K · 📦 1.9M):
```
git clone https://github.com/pytest-dev/pytest
```
PyPi (📥 1.1B / month · 📦 190K · ⏱️ 19.06.2026):
```
pip install pytest
```
Conda (📥 55M · ⏱️ 22.06.2026):
```
conda install -c conda-forge pytest
```

playwright-python (🥇33 · ⭐ 15K) - Python version of the Playwright testing and automation.. Apache-2

GitHub (👨‍💻 57 · 🔀 1.2K · 📦 61K):

git clone https://github.com/microsoft/playwright-python

PyPi (📥 100M / month · 📦 7.5K · ⏱️ 31.07.2026):
```
pip install playwright
```

hypothesis (🥇33 · ⭐ 8.9K) - The property-based testing library for Python. MPL-2.0

GitHub (👨‍💻 420 · 🔀 670 · 📦 45K):

git clone https://github.com/HypothesisWorks/hypothesis

PyPi (📥 52M / month · 📦 8.1K · ⏱️ 16.08.2026):
```
pip install hypothesis
```

Conda (📥 21M · ⏱️ 17.08.2026):

conda install -c conda-forge hypothesis

tox (🥇33 · ⭐ 3.9K) - Command line driven CI frontend and development task automation tool. MIT

GitHub (👨‍💻 360 · 🔀 570 · 📦 140K):
```
git clone https://github.com/tox-dev/tox
```
PyPi (📥 35M / month · 📦 14K · ⏱️ 13.08.2026):
```
pip install tox
```
Conda (📥 2M · ⏱️ 14.08.2026):
```
conda install -c conda-forge tox
```

pytest-asyncio (🥇33 · ⭐ 1.7K) - Asyncio support for pytest. Apache-2

GitHub (👨‍💻 82 · 🔀 200 · 📦 220K):

git clone https://github.com/pytest-dev/pytest-asyncio

PyPi (📥 300M / month · 📦 41K · ⏱️ 26.05.2026):
```
pip install pytest-asyncio
```

Conda (📥 4.1M · ⏱️ 26.05.2026):

conda install -c conda-forge pytest-asyncio

robotframework (🥈32 · ⭐ 12K) - Generic automation framework for acceptance testing and RPA. Apache-2

GitHub (👨‍💻 240 · 🔀 2.6K · 📦 14K):

git clone https://github.com/robotframework/robotframework

PyPi (📥 5.1M / month · 📦 1.2K · ⏱️ 17.07.2026):
```
pip install robotframework
```

Conda (📥 290K · ⏱️ 04.03.2026):

conda install -c conda-forge robotframework

pytest-cov (🥈32 · ⭐ 2.1K) - Coverage plugin for pytest. MIT

GitHub (👨‍💻 100 · 🔀 240):

git clone https://github.com/pytest-dev/pytest-cov

PyPi (📥 240M / month · 📦 78K · ⏱️ 21.03.2026):
```
pip install pytest-cov
```

Conda (📥 20M · ⏱️ 22.03.2026):

conda install -c conda-forge pytest-cov

pytest-mock (🥈31 · ⭐ 2K) - Thin-wrapper around the mock package for easier use with pytest. MIT

GitHub (👨‍💻 85 · 🔀 170 · 📦 140K):

git clone https://github.com/pytest-dev/pytest-mock

PyPi (📥 110M / month · 📦 9.4K · ⏱️ 16.09.2025):
```
pip install pytest-mock
```

Conda (📥 6M · ⏱️ 17.09.2025):

conda install -c conda-forge pytest-mock

pytest-xdist (🥈31 · ⭐ 1.9K) - pytest plugin for distributed testing and loop-on-failures.. MIT

GitHub (👨‍💻 120 · 🔀 280 · 📦 140K):

git clone https://github.com/pytest-dev/pytest-xdist

PyPi (📥 180M / month · 📦 5.6K · ⏱️ 01.07.2025):
```
pip install pytest-xdist
```

Conda (📥 14M · ⏱️ 02.07.2025):

conda install -c conda-forge pytest-xdist

pyautogui (🥈29 · ⭐ 10K) - A cross-platform GUI automation Python module for human beings. Used.. BSD-3

GitHub (👨‍💻 52 · 🔀 1.3K · 📦 57K):

git clone https://github.com/asweigart/pyautogui

PyPi (📥 2.4M / month · 📦 1K · ⏱️ 24.05.2023):
```
pip install pyautogui
```
Conda (📥 500K · ⏱️ 18.05.2026):
```
conda install -c conda-forge pyautogui
```

nox (🥈28 · ⭐ 1.6K) - Flexible test automation. Apache-2

GitHub (👨‍💻 130 · 🔀 190 · 📦 8.4K):
```
git clone https://github.com/theacodes/nox
```
PyPi (📥 6.1M / month · 📦 1.8K · ⏱️ 18.08.2026):
```
pip install nox
```
Conda (📥 630K · ⏱️ 16.08.2026):
```
conda install -c conda-forge nox
```

pytest-bdd (🥈28 · ⭐ 1.5K) - BDD library for the pytest runner. MIT

GitHub (👨‍💻 71 · 🔀 250 · 📦 5K):

git clone https://github.com/pytest-dev/pytest-bdd

PyPi (📥 3.6M / month · 📦 110 · ⏱️ 05.12.2024):
```
pip install pytest-bdd
```

Conda (📥 79K · ⏱️ 03.07.2026):

conda install -c conda-forge pytest-bdd

mimesis (🥈27 · ⭐ 4.8K · 📈) - Mimesis is a fast Python library for generating fake data in multiple.. MIT

GitHub (👨‍💻 130 · 🔀 360 · 📦 2.3K):

git clone https://github.com/lk-geimfari/mimesis

PyPi (📥 2.6M / month · 📦 100 · ⏱️ 16.07.2026):
```
pip install mimesis
```
Conda (📥 390K · ⏱️ 11.01.2026):
```
conda install -c conda-forge mimesis
```

freezegun (🥈27 · ⭐ 4.5K · 💤) - Let your Python tests travel through time. Apache-2

GitHub (👨‍💻 130 · 🔀 290):

git clone https://github.com/spulec/freezegun

PyPi (📥 61M / month · 📦 1.3K · ⏱️ 09.08.2025):
```
pip install freezegun
```
Conda (📥 2.2M · ⏱️ 09.08.2025):
```
conda install -c conda-forge freezegun
```

pytest-sugar (🥈27 · ⭐ 1.5K · 💤) - a plugin for py.test that changes the default look and.. BSD-3

GitHub (👨‍💻 58 · 🔀 81 · 📦 31K):

git clone https://github.com/Teemu/pytest-sugar

PyPi (📥 8.6M / month · 📦 1.5K · ⏱️ 23.08.2025):
```
pip install pytest-sugar
```

Conda (📥 650K · ⏱️ 24.08.2025):

conda install -c conda-forge pytest-sugar

pytest-html (🥈27 · ⭐ 770) - Plugin for generating HTML reports for pytest results. MPL-2.0

GitHub (👨‍💻 66 · 🔀 250 · 📦 59K):

git clone https://github.com/pytest-dev/pytest-html

PyPi (📥 21M / month · 📦 1.1K · ⏱️ 19.01.2026):
```
pip install pytest-html
```

Conda (📥 1.2M · ⏱️ 21.01.2026):

conda install -c conda-forge pytest-html

pytest-benchmark (🥉26 · ⭐ 1.4K) - pytest fixture for benchmarking code. BSD-2

GitHub (👨‍💻 55 · 🔀 140):

git clone https://github.com/ionelmc/pytest-benchmark

PyPi (📥 13M / month · 📦 1.9K · ⏱️ 09.11.2025):
```
pip install pytest-benchmark
```

Conda (📥 3.3M · ⏱️ 09.11.2025):

conda install -c conda-forge pytest-benchmark

asv (🥉26 · ⭐ 1K) - Airspeed Velocity: A simple Python benchmarking tool with web-based reporting. BSD-3

GitHub (👨‍💻 98 · 🔀 210 · 📦 1.8K):

git clone https://github.com/airspeed-velocity/asv

PyPi (📥 530K / month · 📦 210 · ⏱️ 27.06.2026):
```
pip install asv
```
Conda (📥 1.6M · ⏱️ 11.08.2026):
```
conda install -c conda-forge asv
```

nose2 (🥉26 · ⭐ 820) - The successor to nose, based on unittest2. BSD-2

GitHub (👨‍💻 86 · 🔀 130 · 📦 27K):
```
git clone https://github.com/nose-devs/nose2
```
PyPi (📥 790K / month · 📦 360 · ⏱️ 02.03.2026):
```
pip install nose2
```
Conda (📥 250K · ⏱️ 22.04.2025):
```
conda install -c conda-forge nose2
```

pytest-randomly (🥉26 · ⭐ 700) - Pytest plugin to randomly order tests and control random.seed. MIT

GitHub (👨‍💻 20 · 🔀 34 · 📦 13K):

git clone https://github.com/pytest-dev/pytest-randomly

PyPi (📥 11M / month · 📦 940 · ⏱️ 20.04.2026):
```
pip install pytest-randomly
```

Conda (📥 420K · ⏱️ 28.07.2026):

conda install -c conda-forge pytest-randomly

coveralls-python (🥉26 · ⭐ 570) - Show coverage stats online via coveralls.io. MIT

GitHub (👨‍💻 67 · 🔀 190 · 📦 37K):

git clone https://github.com/TheKevJames/coveralls-python

PyPi (📥 1.1M / month · 📦 2.6K · ⏱️ 28.02.2026):
```
pip install coveralls
```
Conda (📥 1.7M · ⏱️ 28.02.2026):
```
conda install -c conda-forge coveralls
```

pytest-testinfra (🥉25 · ⭐ 2.4K · 💤) - Testinfra test your infrastructures. Apache-2

GitHub (👨‍💻 140 · 🔀 360 · 📦 2.7K):

git clone https://github.com/pytest-dev/pytest-testinfra

PyPi (📥 1.5M / month · 📦 20 · ⏱️ 30.03.2025):
```
pip install pytest-testinfra
```

Conda (📥 44K · ⏱️ 22.04.2025):

conda install -c conda-forge pytest-testinfra

pytest-testmon (🥉24 · ⭐ 1K · 💤) - Selects tests affected by changed files. Executes the.. MIT

GitHub (👨‍💻 29 · 🔀 78 · 📦 1.7K):

git clone https://github.com/tarpas/pytest-testmon

PyPi (📥 4.5M / month · 📦 59 · ⏱️ 01.12.2025):
```
pip install pytest-testmon
```

Conda (📥 200K · ⏱️ 22.04.2025):

conda install -c conda-forge pytest-testmon

pytest-watch (🥉23 · ⭐ 730 · 💤) - Local continuous test runner with pytest and watchdog. MIT

GitHub (👨‍💻 16 · 🔀 54 · 📦 12K):

git clone https://github.com/joeyespo/pytest-watch

PyPi (📥 980K / month · 📦 560 · ⏱️ 20.05.2018):
```
pip install pytest-watch
```

Conda (📥 260K · ⏱️ 02.10.2025):

conda install -c conda-forge pytest-watch

pytest-docker (🥉23 · ⭐ 480 · 💤) - Docker-based integration tests. MIT

GitHub (👨‍💻 30 · 🔀 77 · 📦 2.7K):

git clone https://github.com/avast/pytest-docker

PyPi (📥 2.6M / month · 📦 150 · ⏱️ 12.11.2025):
```
pip install pytest-docker
```

pytest-datadir (🥉22 · ⭐ 280) - pytest plugin for manipulating test data directories and.. MIT

GitHub (👨‍💻 16 · 🔀 26 · 📦 2.3K):

git clone https://github.com/gabrielcnr/pytest-datadir

PyPi (📥 2M / month · 📦 270 · ⏱️ 30.07.2025):
```
pip install pytest-datadir
```

Conda (📥 550K · ⏱️ 30.07.2025):

conda install -c conda-forge pytest-datadir

green (🥉21 · ⭐ 790) - Green is a clean, colorful, fast python test runner. MIT

GitHub (👨‍💻 41 · 🔀 75 · 📦 1.4K):
```
git clone https://github.com/CleanCut/green
```
PyPi (📥 13K / month · 📦 130 · ⏱️ 18.04.2024):
```
pip install green
```
Conda (📥 480K · ⏱️ 02.03.2026):
```
conda install -c conda-forge green
```

xdoctest (🥉21 · ⭐ 220) - A rewrite of Pythons builtin doctest module (with pytest plugin.. Apache-2

GitHub (👨‍💻 14 · 🔀 18):

git clone https://github.com/Erotemic/xdoctest

PyPi (📥 1.2M / month · 📦 260 · ⏱️ 27.03.2026):
```
pip install xdoctest
```
Conda (📥 280K · ⏱️ 27.03.2026):
```
conda install -c conda-forge xdoctest
```

pytest-plugins (🥉19 · ⭐ 600 · 💤) - A grab-bag of nifty pytest plugins. MIT

GitHub (👨‍💻 67 · 🔀 89):

git clone https://github.com/man-group/pytest-plugins

PyPi (📥 32K / month · 📦 73 · ⏱️ 29.11.2024):
```
pip install pytest-virtualenv
```

Conda (📥 140K · ⏱️ 22.04.2025):

conda install -c conda-forge pytest-shutil

Show 12 hidden projects...

nose (🥈28 · ⭐ 1.4K · 💀) - nose is nicer testing for python. ❗️LGPL-2.1+
factory_boy (🥉25 · ⭐ 3.6K · 💀) - A test fixtures replacement for Python. MIT
PyHamcrest (🥉24 · ⭐ 790 · 💀) - Hamcrest matchers for Python. ❗Unlicensed
ddt (🥉24 · ⭐ 440 · 💀) - Data-Driven Tests for Python Unittest. MIT
pytest-lazy-fixture (🥉22 · ⭐ 380 · 💀) - It helps to use fixtures in pytest.mark.parametrize. MIT
pytest-mypy (🥉22 · ⭐ 260 · 💀) - A Pytest Plugin for Mypy. ❗Unlicensed
uiautomator (🥉21 · ⭐ 1.9K · 💀) - Python wrapper of Android uiautomator test tool. MIT
Mamba Test Runner (🥉21 · ⭐ 520 · 💀) - The definitive testing tool for Python. Born under the.. MIT
assertpy (🥉19 · ⭐ 520 · 💀) - Simple assertion library for unit testing in python with a fluent.. BSD-3
sixpack (🥉18 · ⭐ 1.8K · 💀) - Sixpack is a language-agnostic a/b-testing framework. BSD-2
fake2db (🥉15 · ⭐ 2.1K · 💀) - create custom test databases that are populated with fake data. ❗️GPL-2.0
pytest-play (🥉14 · ⭐ 73 · 💀) - pytest plugin that let you automate actions and.. Apache-2

Code Packaging

🔗 Python.org Packaging - An Overview of Packaging for Python.

pyinstaller (🥇33 · ⭐ 13K) - Freeze (package) Python programs into stand-alone executables. ❗️GPL-2.0

GitHub (👨‍💻 500 · 🔀 2K · 📦 91K):

git clone https://github.com/pyinstaller/pyinstaller

PyPi (📥 15M / month · 📦 2.6K · ⏱️ 17.08.2026):
```
pip install pyinstaller
```

Conda (📥 2.1M · ⏱️ 18.08.2026):

conda install -c conda-forge pyinstaller

Nuitka (🥈29 · ⭐ 15K) - Nuitka is a Python compiler written in Python. Its fully compatible.. ❗️AGPL-3.0

GitHub (👨‍💻 210 · 🔀 780 · 📦 4K):
```
git clone https://github.com/Nuitka/Nuitka
```
PyPi (📥 510K / month · 📦 240 · ⏱️ 21.06.2026):
```
pip install nuitka
```
Conda (📥 3.6M · ⏱️ 24.06.2026):
```
conda install -c conda-forge nuitka
```

briefcase (🥈26 · ⭐ 3.3K) - Tools to support converting a Python project into a standalone.. BSD-3

GitHub (👨‍💻 220 · 🔀 520 · 📦 880):

git clone https://github.com/beeware/briefcase

PyPi (📥 40K / month · 📦 45 · ⏱️ 08.07.2026):
```
pip install briefcase
```

pex (🥈24 · ⭐ 4.2K) - The PEX packaging toolchain. Apache-2

GitHub (👨‍💻 130 · 🔀 320):

git clone https://github.com/pantsbuild/pex

PyPi (📥 5.8M / month · 📦 65 · ⏱️ 19.08.2026):
```
pip install pex
```

cx_Freeze (🥈22 · ⭐ 1.6K) - Creates standalone executables from Python scripts with the.. ❗Unlicensed

GitHub (👨‍💻 130 · 🔀 240):

git clone https://github.com/marcelotduarte/cx_Freeze

PyPi (📥 190K / month · 📦 140 · ⏱️ 13.04.2026):
```
pip install cx_freeze
```
Conda (📥 1.5M · ⏱️ 15.08.2026):
```
conda install -c conda-forge cx_freeze
```

py2exe (🥈22 · ⭐ 990) - Create standalone Windows programs from Python code. MIT

GitHub (👨‍💻 25 · 🔀 110 · 📦 2.3K):
```
git clone https://github.com/py2exe/py2exe
```
PyPi (📥 12K / month · 📦 12 · ⏱️ 21.06.2026):
```
pip install py2exe
```

py2app (🥈22 · ⭐ 420 · 📉) - py2app is a Python setuptools command which will allow you to make.. MIT

GitHub (👨‍💻 31 · 🔀 45 · 📦 5.6K):

git clone https://github.com/ronaldoussoren/py2app

PyPi (📥 58K / month · 📦 42 · ⏱️ 13.02.2026):
```
pip install py2app
```

shiv (🥉21 · ⭐ 1.9K · 💤) - shiv is a command line utility for building fully self contained Python.. BSD-2

GitHub (👨‍💻 45 · 🔀 110):

git clone https://github.com/linkedin/shiv

PyPi (📥 500K / month · 📦 29 · ⏱️ 01.11.2024):
```
pip install shiv
```

constructor (🥉19 · ⭐ 500) - tool for creating installers from conda packages. BSD-3

GitHub (👨‍💻 81 · 🔀 180 · 📦 28):

git clone https://github.com/conda/constructor

Conda (📥 28K · ⏱️ 28.07.2026):
```
conda install -c anaconda constructor
```

Show 6 hidden projects...

packaging (🥇32 · ⭐ 750 · 📈) - Core utilities for Python packages. ❗Unlicensed
PyOxidizer (🥉21 · ⭐ 4.8K · 💀) - A modern Python application packaging and distribution tool. MPL-2.0
pynsist (🥉20 · ⭐ 890 · 💀) - Build Windows installers for Python applications. MIT
xar (🥉16 · ⭐ 1.6K · 💀) - executable archive format. BSD-3
pyship (🥉14 · ⭐ 45) - pyship - ship Python desktop apps to end users. MIT
subpar (🥉9 · ⭐ 570 · 💀) - Subpar is a utility for creating self-contained python executables... Apache-2

Build Tools

setuptools (🥇37 · ⭐ 2.8K) - Official project repository for the Setuptools build system. MIT

GitHub (👨‍💻 650 · 🔀 1.4K · 📦 870K):
```
git clone https://github.com/pypa/setuptools
```
PyPi (📥 1.6B / month · 📦 34K · ⏱️ 08.08.2026):
```
pip install setuptools
```

Conda (📥 220M · ⏱️ 09.08.2026):

conda install -c conda-forge setuptools

wheel (🥇33 · ⭐ 570) - The official binary distribution format for Python. MIT

GitHub (👨‍💻 92 · 🔀 190 · 📦 390K):
```
git clone https://github.com/pypa/wheel
```
PyPi (📥 590M / month · 📦 17K · ⏱️ 11.08.2026):
```
pip install wheel
```
Conda (📥 190M · ⏱️ 13.08.2026):
```
conda install -c conda-forge wheel
```

twine (🥈32 · ⭐ 1.8K · 📈) - Utilities for interacting with PyPI. Apache-2

GitHub (👨‍💻 130 · 🔀 330 · 📦 150K):
```
git clone https://github.com/pypa/twine
```
PyPi (📥 34M / month · 📦 42K · ⏱️ 27.07.2026):
```
pip install twine
```
Conda (📥 2M · ⏱️ 28.07.2026):
```
conda install -c conda-forge twine
```

invoke (🥈30 · ⭐ 4.7K) - Pythonic task management & command execution. BSD-2

GitHub (👨‍💻 63 · 🔀 390 · 📦 35K):
```
git clone https://github.com/pyinvoke/invoke
```
PyPi (📥 86M / month · 📦 1.4K · ⏱️ 07.04.2026):
```
pip install invoke
```
Conda (📥 3M · ⏱️ 07.04.2026):
```
conda install -c conda-forge invoke
```

setuptools_scm (🥈30 · ⭐ 950 · 📈) - the blessed package to manage your versions by scm tags. MIT

GitHub (👨‍💻 160 · 🔀 240 · 📦 34K):

git clone https://github.com/pypa/setuptools_scm

PyPi (📥 130M / month · 📦 2.7K · ⏱️ 21.07.2026):
```
pip install setuptools_scm
```

Conda (📥 8.3M · ⏱️ 21.07.2026):

conda install -c conda-forge setuptools_scm

scons (🥈29 · ⭐ 2.4K) - SCons - a software construction tool. MIT

GitHub (👨‍💻 170 · 🔀 360 · 📦 4.3K):
```
git clone https://github.com/SCons/scons
```
PyPi (📥 930K / month · 📦 64 · ⏱️ 11.08.2026):
```
pip install scons
```
Conda (📥 1.5M · ⏱️ 11.08.2026):
```
conda install -c conda-forge scons
```

flit (🥈29 · ⭐ 2.3K · 📈) - Simplified packaging of Python modules. BSD-3

GitHub (👨‍💻 83 · 🔀 160 · 📦 2.8K):
```
git clone https://github.com/pypa/flit
```
PyPi (📥 14M / month · 📦 1.1K · ⏱️ 04.08.2026):
```
pip install flit
```
Conda (📥 460K · ⏱️ 05.08.2026):
```
conda install -c conda-forge flit
```

doit (🥉25 · ⭐ 2K) - CLI task management & automation tool. MIT

GitHub (👨‍💻 70 · 🔀 190 · 📦 2.3K):
```
git clone https://github.com/pydoit/doit
```
PyPi (📥 760K / month · 📦 140 · ⏱️ 09.02.2026):
```
pip install doit
```
Conda (📥 580K · ⏱️ 09.02.2026):
```
conda install -c conda-forge doit
```

buildbot (🥉23 · ⭐ 5.4K · 💤) - Python-based continuous integration testing framework; your.. ❗️GPL-2.0

GitHub (👨‍💻 910 · 🔀 1.6K · 📦 420):
```
git clone https://github.com/buildbot/buildbot
```
PyPi (📥 22K / month · 📦 20 · ⏱️ 12.05.2025):
```
pip install buildbot
```
Conda (📥 200K · ⏱️ 13.05.2025):
```
conda install -c conda-forge buildbot
```

pybuilder (🥉20 · ⭐ 2K) - Software build automation tool for Python. Apache-2

GitHub (👨‍💻 40 · 🔀 270):

git clone https://github.com/pybuilder/pybuilder

PyPi (📥 50K / month · 📦 6 · ⏱️ 02.04.2026):
```
pip install pybuilder
```
Conda (📥 410K · ⏱️ 02.04.2026):
```
conda install -c conda-forge pybuilder
```

universal-build (🥉12 · ⭐ 25 · 💀) - Universal build utilities for containerized build pipelines. MIT

GitHub (👨‍💻 5 · 🔀 8):

git clone https://github.com/ml-tooling/universal-build

PyPi (📥 110 / month · 📦 7 · ⏱️ 16.11.2021):
```
pip install universal-build
```

Show 3 hidden projects...

buildout (🥉21 · ⭐ 620) - Buildout is a deployment automation tool written in and extended.. ❗️ZPL-2.1
paver (🥉19 · ⭐ 460 · 💀) - Python-based project scripting. BSD-3
pynt (🥉16 · ⭐ 160 · 💀) - A pynt of Python build. MIT

System Monitoring & Profiling

psutil (🥇36 · ⭐ 11K) - Cross-platform lib for process and system monitoring in Python. BSD-3

GitHub (👨‍💻 260 · 🔀 1.5K · 📦 800K):
```
git clone https://github.com/giampaolo/psutil
```
PyPi (📥 400M / month · 📦 20K · ⏱️ 28.01.2026):
```
pip install psutil
```
Conda (📥 69M · ⏱️ 29.01.2026):
```
conda install -c conda-forge psutil
```

py-spy (🥇31 · ⭐ 15K) - Sampling profiler for Python programs. MIT

GitHub (👨‍💻 57 · 🔀 540 · 📦 8.9K):
```
git clone https://github.com/benfred/py-spy
```
PyPi (📥 29M / month · 📦 240 · ⏱️ 24.04.2026):
```
pip install py-spy
```
Conda (📥 980K · ⏱️ 27.04.2026):
```
conda install -c conda-forge py-spy
```
Cargo (📦 5 · ⏱️ 24.04.2026):
```
cargo install py-spy
```

pyinstrument (🥈29 · ⭐ 8K) - Call stack profiler for Python. Shows you why your code is slow!. BSD-3

GitHub (👨‍💻 78 · 🔀 300 · 📦 4.6K):

git clone https://github.com/joerick/pyinstrument

PyPi (📥 11M / month · 📦 340 · ⏱️ 29.07.2026):
```
pip install pyinstrument
```

Conda (📥 1.3M · ⏱️ 30.07.2026):

conda install -c conda-forge pyinstrument

memray (🥈28 · ⭐ 15K) - Memray is a memory profiler for Python. Apache-2

GitHub (👨‍💻 77 · 🔀 460 · 📦 24):

git clone https://github.com/bloomberg/memray

PyPi (📥 16M / month · 📦 210 · ⏱️ 07.08.2026):
```
pip install memray
```
Conda (📥 770K · ⏱️ 08.04.2026):
```
conda install -c conda-forge memray
```

Scalene (🥈26 · ⭐ 13K) - Scalene: a high-performance, high-precision CPU, GPU, and memory.. Apache-2

GitHub (👨‍💻 62 · 🔀 440 · 📦 1.1K):

git clone https://github.com/plasma-umass/scalene

PyPi (📥 390K / month · 📦 75 · ⏱️ 12.05.2026):
```
pip install scalene
```

Yappi (🥈26 · ⭐ 1.7K) - Yet Another Python Profiler, but this time multithreading, asyncio and.. MIT

GitHub (👨‍💻 35 · 🔀 82 · 📦 1.7K):
```
git clone https://github.com/sumerc/yappi
```
PyPi (📥 5M / month · 📦 89 · ⏱️ 17.03.2026):
```
pip install yappi
```
Conda (📥 440K · ⏱️ 18.03.2026):
```
conda install -c conda-forge yappi
```

memory-profiler (🥉25 · ⭐ 4.5K · 💤) - Monitor Memory usage of Python code. BSD-3

GitHub (👨‍💻 100 · 🔀 390):

git clone https://github.com/pythonprofilers/memory_profiler

PyPi (📥 6.6M / month · 📦 460 · ⏱️ 15.11.2022):
```
pip install memory_profiler
```

Conda (📥 5.2M · ⏱️ 04.12.2025):

conda install -c conda-forge memory_profiler

memory_profiler (🥉25 · ⭐ 4.5K · 💤) - Monitor Memory usage of Python code. BSD-3

GitHub (👨‍💻 62 · 🔀 390):

git clone https://github.com/fabianp/memory_profiler

PyPi (📥 6.6M / month · 📦 460 · ⏱️ 15.11.2022):
```
pip install memory_profiler
```

Conda (📥 5.2M · ⏱️ 04.12.2025):

conda install -c conda-forge memory_profiler

pympler (🥉25 · ⭐ 1.4K) - Development tool to measure, monitor and analyze the memory behavior.. Apache-2

GitHub (👨‍💻 31 · 🔀 93):

git clone https://github.com/pympler/pympler

PyPi (📥 6.9M / month · 📦 260 · ⏱️ 28.06.2024):
```
pip install pympler
```
Conda (📥 810K · ⏱️ 15.07.2026):
```
conda install -c conda-forge pympler
```

line_profiler (🥉23 · ⭐ 3.2K) - Line-by-line profiling for Python. BSD-3

GitHub (👨‍💻 55 · 🔀 140):

git clone https://github.com/pyutils/line_profiler

PyPi (📥 3M / month · 📦 400 · ⏱️ 23.02.2026):
```
pip install line_profiler
```

Conda (📥 5.7M · ⏱️ 24.02.2026):

conda install -c conda-forge line_profiler

Show 8 hidden projects...

Glances (🥈27 · ⭐ 33K) - Glances an Eye on your system. A top/htop alternative for.. ❗Unlicensed
Bpytop (🥉23 · ⭐ 8.2K · 💀) - Linux/OSX/FreeBSD resource monitor. Apache-2
Diamond (🥉22 · ⭐ 1.8K · 💀) - Diamond is a python daemon that collects system metrics and publishes.. MIT
vprof (🥉19 · ⭐ 4K · 💀) - Visual profiler for Python. BSD-2
heartrate (🥉18 · ⭐ 1.5K · 💀) - Simple real time visualisation of the execution of a Python program. MIT
Profiling (🥉17 · ⭐ 3K · 💀) - Was an interactive continuous Python profiler. BSD-3
pyheat (🥉16 · ⭐ 730 · 💀) - pprofile + matplotlib = Python program profiled as an awesome heatmap!. MIT
livepython (🥉11 · ⭐ 2.6K · 💀) - Visually trace Python code in real-time. MIT

AST Tools

executing (🥇29 · ⭐ 400) - Get information about what a Python frame is currently doing,.. MIT

GitHub (👨‍💻 12 · 🔀 38 · 📦 350K):

git clone https://github.com/alexmojaki/executing

PyPi (📥 150M / month · 📦 800 · ⏱️ 01.09.2025):
```
pip install executing
```
Conda (📥 30M · ⏱️ 01.09.2025):
```
conda install -c conda-forge executing
```

gast (🥈25 · ⭐ 150 · 💤) - Python AST that abstracts the underlying Python version. BSD-3

GitHub (👨‍💻 13 · 🔀 38 · 📦 220K):

git clone https://github.com/serge-sans-paille/gast

PyPi (📥 18M / month · 📦 530 · ⏱️ 29.11.2025):
```
pip install gast
```
Conda (📥 4.8M · ⏱️ 30.11.2025):
```
conda install -c conda-forge gast
```

asteval (🥉24 · ⭐ 220) - Safe, minimalistic evaluator of python expression using ast module. MIT

GitHub (👨‍💻 28 · 🔀 52):

git clone https://github.com/newville/asteval

PyPi (📥 6.7M / month · 📦 210 · ⏱️ 11.06.2026):
```
pip install asteval
```
Conda (📥 1.1M · ⏱️ 12.06.2026):
```
conda install -c conda-forge asteval
```

Show 3 hidden projects...

astunparse (🥈26 · ⭐ 220 · 💀) - An AST unparser for Python. BSD-3
astor (🥉24 · ⭐ 860 · 💀) - Python AST read/write. BSD-3
typed_ast (🥉23 · ⭐ 230 · 💀) - Modified fork of CPythons ast module that parses # type:.. Apache-2

Others

pre-commit (🥇35 · ⭐ 16K) - A framework for managing and maintaining multi-language pre-commit.. MIT

GitHub (👨‍💻 170 · 🔀 1K · 📦 290K):

git clone https://github.com/pre-commit/pre-commit

PyPi (📥 200M / month · 📦 38K · ⏱️ 10.08.2026):
```
pip install pre-commit
```

Conda (📥 11M · ⏱️ 11.08.2026):

conda install -c conda-forge pre-commit

Best-of lists: Discover other best-of lists with awesome open-source projects on all kinds of topics.

Contribution

Contributions are encouraged and always welcome! If you like to add or update projects, choose one of the following ways:

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README.md

Best-of Python Developer Tools

Contents

Explanation

Linters & Style Checkers

Type checkers

Code Formatters

Code Refactoring

Code Security

Virtual Environments

Dependency & Package Managers

Code Metrics & Complexity

Logging

Shell

Documentation

Debugging Tools

Testing Tools

Code Packaging

Build Tools

System Monitoring & Profiling

AST Tools

Others

Contribution

License