BillRun - Open-Source Enterprise Billing Solution

October 21, 2025 · View on GitHub

🔗 https://www.bill.run

Overview

BillRun is a powerful open-source enterprise billing system designed for telecom operators, digital service providers, and large-scale usage-based businesses. It provides a complete solution to collect, process, rate, charge, and monitor customer usage in real time - enabling you to run complex billing operations with confidence and flexibility.

Key Features

  • ⚙️ Real-Time Processing - Handles high-volume data streams such as CDRs, prepaid events, and IoT usage in real time.

  • 🧾 Flexible Output - Generate customer invoices, wholesale reports, management analytics, alerts, and automated triggers.

  • 💪 Enterprise-Grade Resilience - Built for fault tolerance, high availability, and large-scale performance.

  • 🧩 Modular Architecture - Combines YAF PHP Framework (for speed) with Zend Framework (for reusable components).

  • 🗄️ MongoDB Backend - Document-oriented data storage that scales horizontally with minimal effort.

  • 🛠️ Fully Customizable - 100% open source: modify, extend, and integrate it according to your business needs.

  • 🕊️ Vendor Independence - No lock-in. Get support from BillRun Technologies, third parties, or your own team.

Architecture

BillRun’s architecture is designed for performance and scalability:

  • Backend: PHP (YAF + Zend Framework)

  • Database: MongoDB (NoSQL, schema-less, horizontally scalable)

  • Processing Engine: Supports rating, charging, invoicing, mediation, and real-time balance management

  • Extensibility: REST APIs and plugin architecture allow easy integration with CRM, ERP, and network systems

Why BillRun?

  • Proven in production by telecom operators worldwide

  • Scalable for millions of subscribers and billions of transactions

  • Fully transparent open-source stack

  • Active community and commercial support available from BillRun Technologies Ltd.

License

BillRun is released under an open-source license.

For license details, see the LICENSE file in the repository.

About BillRun Technologies

BillRun Technologies Ltd. is the company behind the BillRun open-source ecosystem, driving innovation in telecom billing, data processing, and enterprise automation.