Insomnia vs Yaak

Comparing two open source alternatives to Postman. Use the comparison below to decide which one fits your needs.

Insomnia

Apache-2.0

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

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Yaak

MIT

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

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Side-by-side comparison

	Insomnia	Yaak
License	Apache-2.0	MIT
Self-hostable	No	No
GitHub Stars	40,033	19,251
Forks	2,370	819
Open Issues	896	17
Last Commit	Sep 24, 2026	Sep 24, 2026
First Released	Apr 23, 2016	Feb 16, 2023
Categories	API Development & Testing Tools	API Development & Testing Tools
Tags	#API #rest #http client #api client	#API #rest #http client #api client

GitHub stars over time

Insomnia

Yaak19,251

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