Spark Framework
Spark Framework - Create web applications in Java rapidly. Spark is a micro web framework that lets you focus on writing your code, not boilerplate code.
Nuxt.js - Intuitive Vue Framework
Build your next Vue.js application with confidence using NuxtJS. An open source framework making web development simple and powerful.
Joomla CMS
Source-code: https://github.com/joomla/joomla-cms More: https://framework.joomla.org/ Extensions: https://extensions.joomla.org/