Gulp.js - Automate and enhance your workflow
ImageOptim - Faster web pages and apps.
Grunt - The Grunt ecosystem is huge and it's growing every day.
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
Webpack - Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...