Compare software

WireMockMockoon
Freemium

The core engine is free and open source; WireMock Cloud has a free tier and paid plans.

 Freemium

The desktop app and CLI are free and open source; Mockoon Cloud is a paid add-on.

Web, Self-hosted, Command line Windows, macOS, Linux, Command line
  • Flexible request matching and response templating
  • Record and playback of real service traffic
  • No account or remote deployment needed
  • Imports OpenAPI specifications
  • Standalone mode needs Java or Docker
  • Collaboration features are in the paid cloud product
  • Focused on REST APIs
  • Hosted deployments require the paid cloud service
Downloadable app, Self-hosted, Hosted service Downloadable app
Open source Open source
License not stated License not stated
No account needed No account needed
Works offline Works offline

Checked September 24, 2026

Checked September 23, 2026

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