Best Open Source Postman Alternatives

Find the best alternatives to Postman that are open source and free to use/self-hostable.

A collaborative platform for API development with tools that allow you to design, simulate, and test APIs more easily.

Open source API development ecosystem

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

OSS Postman alternative

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