Compare software

Karate vs SoapUI Open Source: catalog facts
Karate	SoapUI Open Source
Free Free and open source.	Free The open source edition is free; the commercial ReadyAPI product is paid.
Command line	Windows, macOS, Linux
API testing, mocks, performance and UI automation in one tool Readable test scenarios	Strong SOAP and WSDL support Functional test suites with custom scripting
Requires a Java environment Tests are written as scripts rather than built in a GUI	GraphQL, gRPC and CI integrations are reserved for paid ReadyAPI Website heavily promotes the commercial product
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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