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ArdorQueryATAC
Free

Free and open source under GPL-3.0.

 Free

Free and open source under the MIT licence.

Linux Windows, macOS, Linux, Command line
  • Tests REST, HTML, image, GraphQL, and OData endpoints
  • Shows requests as readable, color-coded lines
  • Full API client inside the terminal
  • Optional Vim key bindings
  • Available for Linux
  • Still working toward its 1.0 release
  • No graphical interface for people who prefer a mouse
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: MIT
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 23, 2026

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