CodeKit - CodeKit allows you to optimize the performance of your website by automatically and efficiently compiling a variety of popular languages.
SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
Prepros - Compile Less, Sass, Scss, Stylus, Jade, Coffeescript, Haml and Markdown with live browser refresh.
Prettier - An opinionated code formatter
Live.js - Live. js. one script closer to designing in the browser. Say goodbye to Alt-Tab. Live.
ESLint - The fully pluggable JavaScript code quality tool