A lightweight blog CMS for PHP
Bolt is a simple CMS written in PHP. It is based on Silex and Symfony components, uses Twig and either SQLite, MySQL or PostgreSQL.
Multilingual PHP CMS built with Laravel and bootstrap
Contao Open Source CMS
Verbatim mirror of the git.drupal.org repository for Drupal core. Please see the https://github.com/drupal/drupal#contributing. PRs are not accepted on GitHub.
Kernel (Repository, MVC layer, REST) for eZ Platform
Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS powered by PHP, Markdown, Twig, and Symfony
Home of the Joomla! Content Management System
Pagekit CMS
ProcessWire 3.x is a friendly and powerful open source CMS with a strong API.
MODX Revolution - Content Management Framework
Silverstripe CMS - this is a module for Silverstripe Framework rather than a standalone app. Use https://github.com/silverstripe/silverstripe-installer/ to set this up.
TCExam is a CBA (Computer-Based Assessment) system (e-exam, CBT - Computer Based Testing) for universities, schools and companies, that enables educators and trainers to author, schedule, deliver, and report on surveys, quizzes, tests and exams.
The TYPO3 Core - Enterprise Content Management System. Synchronized mirror of https://review.typo3.org/q/project:Packages/TYPO3.CMS
WordPress, Git-ified. This repository is just a mirror of the WordPress subversion repository. Please do not send pull requests. Submit pull requests to https://github.com/WordPress/wordpress-develop and patches to https://core.trac.wordpress.org/ instead.