Koala is a GUI application for Less, Sass, Compass and CoffeeScript compilation, to help web developers to use them more efficiently. Koala can run in windows, linux and mac.

Lightning web components are custom elements built using HTML and modern JavaScript. It uses standard HTML, modern JavaScript (ES6+), and the best of native Web Components.

Aurelia is a collection of Modern JavaScript modules, which when used together, function as a powerful platform for building browser, desktop and mobile applications all open source and built on open web standards.