Open Source Alternatives
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hoppscotch
77.2k
MIT License
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Updated: 2025-12-04
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bruno
39.1k
MIT License
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Updated: 2025-12-05
insomnia
37.6k
Apache License 2.0
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Updated: 2025-12-04