alternatives to

Insomnia

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage. About Insomnia →

2 alternatives

HoppscotchFull replacement

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

Runs in the browser, as a desktop app or self-hosted.

Language: TypeScript
Licence: MIT
Stars: 80k
Latest: 2026.8.1✓ signed
Last push: 2026-09-21

BrunoFull replacement

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Collections are plain files kept in your repository.

Language: JavaScript
Licence: MIT
Stars: 47k
Latest: v4.1.0
Last push: 2026-09-22