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VenomhttpYac
Free

Free and open source, maintained by OVHcloud.

 Free

Free to use.

Windows, macOS, Linux, Command line Command line
  • Tests are written as declarative files that are easy to review
  • Several executors including HTTP, scripts, web and IMAP
  • Plain-text request files that fit in version control
  • REST, SOAP, GraphQL and gRPC in one tool
  • No graphical interface for building requests
  • Test file format takes some learning
  • No standalone graphical app; works through the CLI or VS Code
  • Scripting requires familiarity with Node.js
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License not stated
No account needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 23, 2026

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