JSCS has merged with ESLint!
Check out the JSCS Compatibility milestone to track the progress of transitioning JSCS users to ESLint.
JSCS — JavaScript Code Style
JSCS is a code style linter/formatter for programmatically enforcing your style guide. You can configure JSCS for your project/company using over 150 validation rules, including presets from popular style guides like jQuery, Airbnb, Google, and more.