Compare software

CocoaRestClientInsomnia
Free

Free and open source.

 Freemium

Free to use, with a free account unlocking most features. Kong sells paid plans for teams…

macOS Windows, macOS, Linux
  • Native Cocoa app with low memory use
  • Pretty prints JSON and XML responses
  • REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client
  • Local Vault and Git Sync mean the cloud is optional
  • macOS only
  • Fewer collaboration and scripting features than larger API platforms
  • Most features expect an account, even though a Scratch Pad works without one
  • The 2023 move to account-first storage cost it a lot of goodwill
Downloadable app Downloadable app
Open source Open source
License not stated License: Apache-2.0
No account needed No account needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked September 21, 2026

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