grunt-wiredep
Inject your Bower dependencies right into your HTML from Grunt.
Updated by @eddiemonge
i18next-scanner
Scan your code, extract translation keys/values, and merge them into i18n resource files.
Updated by @cheton
google-closure-compiler
Check, compile, optimize and compress Javascript with Closure-Compiler
Updated by @chadhikes
grunt-usemin
Replaces references to non-optimized scripts or stylesheets into a set of HTML files (or any templates/views)
Updated by @sindresorhus
grunt-uncss
A grunt task for generating CSS files containing only those styles used in your project.
Updated by @addyosmani
grunt-html
Grunt plugin for HTML validation, using the Nu Html Checker (v.Nu)
Updated by @jzaefferer
web-component-tester
web-component-tester makes testing your web components a breeze!
Updated by @aomarks