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SoapUI Open Source vs ReqBin: catalog facts
SoapUI Open Source	ReqBin
Free The open source edition is free; the commercial ReadyAPI product is paid.	Free Free to use in the browser without installing anything or logging in.
Windows, macOS, Linux	Web, Browser extension
Strong SOAP and WSDL support Functional test suites with custom scripting	No install or login needed Code snippet generation for several languages
GraphQL, gRPC and CI integrations are reserved for paid ReadyAPI Website heavily promotes the commercial product	Requests are sent from ReqBin servers, so local or private endpoints are harder to reach Not open source
Downloadable app	Web application, Browser extension
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
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.