Altair
Altair is a free, open-source developer tool for Windows, macOS and Linux. A feature-rich GraphQL Client for all platforms. It has 5,433 GitHub stars and is released under the MIT license. Its source code is on GitHub at altair-graphql/altair.
github.com/altair-graphql/altair (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
About Altair
Altair is a beautiful feature-rich GraphQL Client IDE for all platforms. Altair GraphQL Client helps you debug GraphQL queries and implementations - taking care of the hard part so you can focus on actually getting things done.
Install Altair
Package names found in the project's README. Each links to its package page so you can check the publisher first.
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Is Altair free and open source?
Yes. Altair's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Altair?
Snap: snap install altair. The commands are on this page. Installers are also on its GitHub Releases page (latest: v8.5.11).
Is Altair still maintained?
The repository's most recent commit was on Oct 23, 2026. appsgit only lists apps whose repository had a commit in the last six months.