README.md

June 7, 2026 · View on GitHub

FlCroc

中文 (简体) | 中文 (繁體) | 日本語 | Français | English

A Flutter GUI for croc — easily and securely transfer files between computers

✨ Features

	Features
🖥️	Cross-platform (Windows, Linux, Android)
🔒	End-to-end encrypted file transfer via croc
🌍	Native multi-language support (see i18n.md for details)
🌙	Modern Flutter UI with adaptive layout, animations, and custom color schemes

🚀 Build

See BUILD.md for build instructions and platform-specific guides.

🏗️ Architecture

FlCroc/
├── lib/               Flutter app (Riverpod + Material 3)
├── go_bridge/         Go CGO shared library (FFI bridge)
├── submodules/croc/   Vendored croc source
├── assets/            App icon, I18n JSON bundles
├── .github/workflows/ CI/CD (build.yml)
└── (platform)/

🧰 Tech Stack

Layer	Technology
UI	Flutter 3.44 · Material 3
State	Riverpod · Freezed
Backend	Go CGO FFI · croc submodule
I18n	JSON bundles
CI/CD	GitHub Actions

🌍 I18n

See docs/i18n.md for language status and contribution guide.

🙏 Acknowledgments

Project	Description
croc	Backend file transfer engine
Flutter	Cross-platform UI framework
FlClash	UI inspiration
croc-app	QR scanner reference