Insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Open source alternative to:
Version history
9 releases· tracked since May 12, 2026
Detected on October 10, 2026
Detected on September 24, 2026
Detected on August 26, 2026
Detected on July 29, 2026
Detected on June 26, 2026
Detected on June 20, 2026
Detected on June 18, 2026
Detected on May 22, 2026
[email protected]
First tracked versionDetected on May 12, 2026
OpenAltFinder Score
Project Details
Repository activity
Compare Insomnia with
Similar open source alternatives
Hoppscotch
Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)
Postman
HTTPie
Open-source command-line and desktop HTTP client with intuitive syntax, JSON support, and built-in auth — a developer-friendly Postman alternative.
Postman
Scalar
Scalar is an open-source API platform: 🌐 Modern Rest API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
Postman
Bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Postman
Hurl
Run and test HTTP requests with plain text — a simple yet powerful command-line tool for API testing.
Postman
Yaak
The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬
Postman