Best Postman Alternatives (2 Free OSS)

API development and testing tool

https://www.postman.com

Postman is standard for API development, but cloud data sync and paid team features are concerns. devpick lists 2 open alternatives that keep data local.

  • Local-first storage in Bruno saving API collections as Git-friendly text files
  • Browser-based operation in Hoppscotch requiring no installation
  • Multi-protocol support in Hoppscotch for REST, GraphQL, WebSocket, and gRPC
  • No cloud dependency with both tools keeping API data entirely local
  • Import support for migrating from Postman and Insomnia collections

2 tools

How to Choose

For Git-managed offline-first API development choose Bruno, and for browser-based lightweight API testing choose Hoppscotch.