Compare software

WireMockSpecmatic
Freemium

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

 Freemium

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

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

Checked September 24, 2026

Checked October 2, 2026

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