Open Source B2B Software Under BSD 3-Clause License

FL

Flutter

4.7/5.01 verified review

Free·Open Source·BSD-3-Clause

Open-source framework for building multi-platform applications from a single codebase.

• Native compilation to ARM and Intel machine code for optimal performance.
• Hot reload capability for rapid development iteration.
• Open-source ecosystem with no software licensing fees.

11.3kstars on GitHub

AP

Appwrite

4.6/5.01 verified review

Freemium·Open Source·BSD-3-Clause

Open-source backend platform for developers and agents featuring auth, databases, and storage.

• Unified all-in-one backend platform reducing the overhead of integrating multiple third-party services.
• Fully open-source architecture with official support for self-hosting through Docker.
• Native support for MCP protocols and advanced integration with autonomous coding agents.

57.8kstars on GitHub

PU

Pub

4.6/5.01 verified review

Free·Open Source·BSD-3-Clause

The official repository for Dart and Flutter packages.

• Native integration with Dart and Flutter SDKs.
• Quality scoring system (pub points) for package evaluation.
• Free Google-managed infrastructure for the entire ecosystem.

946stars on GitHub

SC

Saleor Commerce

4.6/5.01 verified review

Freemium·Open Source·BSD-3-Clause

Headless, open source, GraphQL-first e-commerce infrastructure.

• Pure GraphQL architecture optimizing complex data queries.
• Open source model allowing complete self-hosted deployment.
• Headless approach decoupling backend from any frontend technology.

23.5kstars on GitHub

FL

Flagsmith

4.5/5.01 verified review

Freemium·Open Source·BSD-3-Clause

Open source feature flag and remote configuration platform.

• Open source core enabling complete self-hosting on proprietary infrastructure.
• SDKs available for multiple backend and frontend platforms and environments.
• Remote configuration and granular user segmentation capabilities.

6.6kstars on GitHub

MB

Murat Bayraktar

3.6/5.01 verified review

Contact Sales·Open Source·BSD-3-Clause

3D rendering directly inside the terminal using advanced graphic protocols.

• Extremely efficient memory and CPU resource utilization.
• Broad 3D file format support via Assimp integration.
• Compatibility with modern terminal graphic protocols.

19.6kstars on GitHub

HN

Hnrepos

3.6/5.01 verified review

Freemium·Open Source·BSD-3-Clause

Discovery and analysis platform for source code repositories mentioned on Hacker News

• Code discovery based on real Hacker News discussions
• Structured categorization by programming languages and technical topics
• Direct access to original mentions and source repositories

139.7kstars on GitHub