PhpStorm IDE zone
A powerful commercial PHP-oriented IDE from JetBeans, with good integration with Drupal™ CMS, TWIG templates, Cascading Style Sheets (CSS) and Syntactically Awesome Style Sheets (Sass).
Sass is a stylesheet language that’s compiled to CSS. It allows you to use variables, nested rules, mixins, functions, and more, all with a fully CSS-compatible syntax.