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Evans vs Chiko: catalog facts
Evans	Chiko
Free Free and open source under the MIT licence.	Free Free and open source under the MIT license.
Command line	Command line
Interactive REPL for exploring gRPC services Guided input of request fields	Discovers endpoints using gRPC server reflection Generates request templates
gRPC only No graphical interface	Requires a terminal Endpoint discovery depends on server reflection support
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
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 September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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