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SpecmaticWireMock
Freemium

Core tool is downloadable from GitHub; the Studio, Genie and Insights platform is sold…

 Freemium

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

Windows, macOS, Linux, Command line Web, Self-hosted, Command line
  • Generates contract tests and mocks from the same specification
  • Supports OpenAPI, AsyncAPI and many message brokers
  • Flexible request matching and response templating
  • Record and playback of real service traffic
  • Platform features beyond the core tool require contacting sales
  • Assumes you maintain accurate API specifications
  • Standalone mode needs Java or Docker
  • Collaboration features are in the paid cloud product
Downloadable app Downloadable app, Self-hosted, Hosted service
Closed source Open source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked September 24, 2026

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