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Biome vs ESLint: catalog facts
Biome	ESLint
Free Free and open source, funded through Open Collective.	Free Free and open source, funded by sponsors.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Formatter and linter in one fast tool Close compatibility with Prettier formatting	Automatic, syntax-aware fixes Configurable rules and plugin system
Not a full replacement for every ESLint plugin Some formatting differs from Prettier	Configuration can get complex across plugins Major version upgrades require migration work
Downloadable app	Downloadable app
Open source	Open source
License: MIT OR Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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