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Kreya vs Warthog: catalog facts
Kreya	Warthog
Freemium A free tier is available. Advanced features require a paid licence.	Free Free to download from GitHub.
Windows, macOS, Linux	Windows, macOS, Linux
One of the few desktop clients with proper gRPC and server reflection support Projects are Git-friendly local files rather than cloud documents	Automatic parsing of proto definitions into input forms Several authentication methods, including JWT and GCE
Some features require a paid licence Smaller community than the mainstream API clients	gRPC only, no REST or GraphQL Small project with a small user base
Downloadable app	Downloadable app
Closed 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	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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