Open Source Alternatives
Open source alternatives to Postman
Open source alternatives to Postman, ranked by GitHub stars and freshness.
1 open-source alternative in the index, ranked by GitHub stars and freshness.
Directories
Agents Coding agents, autonomous agents, platforms, browser and voice. The runtimes that actually do the work. Skills Claude skills, Cursor rules, system-prompt drops. The portable knowledge that turns a generic model into a domain expert. MCP Servers Model Context Protocol servers. The standard way for any agent to read or write to any system. Open Source Frameworks, SDKs, and libraries devs build agents WITH. The toolchain layer. Apps and SaaS End-user products where agents do the heavy lifting under a polished UX. Builder Showcase What people built with the agents, skills, MCP servers, and frameworks above.