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Top JavaScript Code Quality Tools 2025

GitHub Libraries → JavaScript → Code Quality Tools
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prettier/prettier 50K +71

added 1 month ago

Prettier is an opinionated code formatter.

JavaScript Code Quality Tools Linters

standard/standard 29K +4

added 1 month ago

JavaScript Style Guide, with linter & automatic code fixer

JavaScript Code Quality Tools Linters

facebook/flow 22K +7

added 1 month ago

Adds static typing to JavaScript to improve developer productivity and code quality.

JavaScript Type Checkers Code Quality Tools

xojs/xo 7K +8

added 2 months ago

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

JavaScript Code Quality Tools Linters

danger/danger-js 5K +5

added 3 weeks ago

Formalize your Pull Request etiquette.

JavaScript Code Quality Tools

bcoe/c8 2K +3

added 1 month ago

Output coverage reports using Node.js' built in coverage.

JavaScript Code Quality Tools Testing Libraries

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