Compare software

Advanced REST ClientPostman
Free

Free to download; the source is published on GitHub.

 Freemium

A free tier covers individual use with limits on collaborators, collection runs and…

macOS Windows, macOS, Linux, Web, Browser extension
  • Dedicated desktop app for manual HTTP and REST testing
  • Source code is public and the repository is still active
  • The most widely used API client, so collections and tutorials for it are everywhere
  • Collections with environments, pre-request and test scripts, and a built-in runner
  • No releases published on the GitHub releases page
  • License is not clearly identified in the repository metadata
  • Built around a cloud workspace, and an account is effectively required
  • Offline and local-only use has become harder over successive versions
Downloadable app Downloadable app, Web application, Browser extension
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked October 2, 2026

Checked September 21, 2026

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