WPMU DEV - WPMU offers WordPress Plugins, WordPress Themes, WordPress Multisite and BuddyPress Plugins and Themes.
RxJS - Reactive Extensions for Javascript
MAMP - MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).
react-context - Context provides a way to pass data through the component tree without having to pass props down manually at every level.
Firefox Developer Edition - Built for those who build the Web. The only browser made for developers.
vuex - Centralized State Management for Vue.js