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Moco vs Mockoon: catalog facts
Moco	Mockoon
Free Free and open source under the MIT license.	Freemium The desktop app and CLI are free and open source; Mockoon Cloud is a paid add-on.
Command line	Windows, macOS, Linux, Command line
Runs a configurable stub server Supports HTTP, REST, WebSocket, and server-sent events	No account or remote deployment needed Imports OpenAPI specifications
Requires Java 17 or later	Focused on REST APIs Hosted deployments require the paid cloud service
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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