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Stoplight vs Mockoon: catalog facts
Stoplight	Mockoon
Freemium A free plan is available to get started, with paid plans for larger teams.	Freemium The desktop app and CLI are free and open source; Mockoon Cloud is a paid add-on.
Web	Windows, macOS, Linux, Command line
Visual OpenAPI editor that needs little specialised knowledge Mock servers from the API description	No account or remote deployment needed Imports OpenAPI specifications
Hosted service that requires an account Focused on teams and organisations rather than individual use	Focused on REST APIs Hosted deployments require the paid cloud service
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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