OpenAltMarket

Open-source alternatives to Postman

2 community-reviewed projects you can use instead of Postman.

  1. Bruno - Bruno is a fast, offline-first API client for exploring and testing REST, GraphQL and gRPC APIs, storing collections as plain-text files in your codebase for Git versioning. Available for Windows, macOS and Linux. (Licence: MIT)
  2. Hoppscotch - Hoppscotch is a fast, lightweight open-source API development ecosystem for creating, testing and managing REST, GraphQL, WebSocket and other APIs, running in the browser with no install or usable as a desktop app, CLI or self-hosted deployment. No account is needed to start testing endpoints. (Licence: MIT)