Hoppscotch Community Edition is an open-source API development and testing tool for REST, GraphQL, WebSocket, SSE, MQTT, and Socket.IO with collections and environments.
80.1k stars6.1k forksMITlast commit Actively maintained
4 self-hosted Postman alternatives
Postman is a cloud API platform for designing, building, testing, documenting and monitoring APIs. It provides request authoring, collections, automated tests, mock servers, monitors, collaboration workspaces and CI/CD/Git integrations.
Alternatives to Postman
Open-source API client and HTTP interceptor to test APIs, modify requests and responses, and create API mocks for faster development and debugging.
6.8k stars700 forkslast commit Actively maintained
#3
SQLPage is a fast SQL-only web app builder that turns .sql files into interactive web pages and APIs on top of your existing database.
2.5k stars177 forksMITlast commit Actively maintained
#4
Yaade is a self-hosted, collaborative API development environment that lets teams share API collections, run tests, and import from OpenAPI or Postman.
2k stars89 forksMITlast commit Slowing down
What replacing Postman actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 4 shipped a commit in the last six months. Licences in this list: MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in API Development, Mocking & Testing.
