Free & Open-Source Postman Pro Alternatives

API testing, documentation, and collaboration.

1. Bruno ↗ ★ PICKFOSSPRIVATESELF-HOST
   Git-friendly API client — Postman alternative, local files.
   ●○○Easy · Windows, macOS and Linux
2. Insomnia ↗ PRIVATE
   REST/GraphQL API testing client.
   ●○○Easy · Windows, macOS and Linux
3. Hoppscotch ↗ FOSSSELF-HOST
   Lightweight web-based API testing tool.
   ●○○Easy · Windows, macOS and Linux