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Mockoon vs WireMock: catalog facts
Mockoon	WireMock
Freemium The desktop app and CLI are free and open source; Mockoon Cloud is a paid add-on.	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
No account or remote deployment needed Imports OpenAPI specifications	Flexible request matching and response templating Record and playback of real service traffic
Focused on REST APIs Hosted deployments require the paid cloud service	Standalone mode needs Java or Docker Collaboration features are in the paid cloud product
Downloadable app	Downloadable app, Self-hosted, Hosted service
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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