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SoapUI Open Source vs Step CI: catalog facts
SoapUI Open Source	Step CI
Free The open source edition is free; the commercial ReadyAPI product is paid.	Freemium The open-source runner is free; the site also lists paid options and demos.
Windows, macOS, Linux	Command line
Strong SOAP and WSDL support Functional test suites with custom scripting	Tests REST, GraphQL, gRPC and SOAP in one format Imports from OpenAPI, Postman and Insomnia
GraphQL, gRPC and CI integrations are reserved for paid ReadyAPI Website heavily promotes the commercial product	No graphical interface for manual requests Requires Node.js or Docker to run
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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.