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Bruno vs grpcui: catalog facts
Bruno	grpcui
Freemium Most features are free and open source under the MIT licence. Paid editions add features…	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Web, Command line
Collections are plain files, so Git does the versioning and sharing Offline only, with the project committing to never adding cloud sync	Browser forms for calling gRPC methods Postman-style workflow for gRPC rather than REST
Some team features are paid The Bru markup is a format specific to Bruno	Covers gRPC only, not REST or GraphQL Launched from the command line rather than as a desktop app
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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