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Bruno vs Altair GraphQL Client: catalog facts
Bruno	Altair GraphQL Client
Freemium Most features are free and open source under the MIT licence. Paid editions add features…	Freemium The client is free and open source; Altair GraphQL Cloud is an optional hosted service.
Windows, macOS, Linux	Windows, macOS, Linux, Web, Browser extension
Collections are plain files, so Git does the versioning and sharing Offline only, with the project committing to never adding cloud sync	Schema docs search with one-click query generation Environments, pre-request scripts and file uploads
Some team features are paid The Bru markup is a format specific to Bruno	Focused on GraphQL only, not general REST testing Team sync features rely on the separate cloud service
Downloadable app	Downloadable app, Browser extension
Open source	Open source
License: MIT	License not stated
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.