Compare software

Yaak vs CocoaRestClient: catalog facts
Yaak	CocoaRestClient
Freemium Yaak is MIT licensed and free to build and use. Development is funded by…	Free Free and open source.
Windows, macOS, Linux	macOS
Requests are stored as files on your machine, so a git repository is the shared collection REST, GraphQL, gRPC, WebSocket and Server-Sent Events in one client	Native Cocoa app with low memory use Pretty prints JSON and XML responses
A much younger project than Postman, with a smaller community No hosted collaboration features if that is what you actually want	macOS only Fewer collaboration and scripting features than larger API platforms
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.