Similar to FuelPHP
Composer
Composer (software)
Mambo
Mambo (software)
Mantis Bug Tracker
Mantis Bug TrackerMatomo
Matomo (software)
Nextcloud
Nextcloud
Nucleus CMS
Nucleus CMSOpenMediaVault
OpenMediaVault
Phabricator
PhabricatorPhalanger
Phalanger (compiler)
PHP-Nuke
PHP-Nuke
PhpBB
PhpBB
PhpMyAdmin
PhpMyAdmin
Piwigo
Piwigo
RoundCube
Roundcube
Smarty
Smarty (template engine)SquirrelMail
SquirrelMailTranslatewiki.net
Translatewiki.net
Twig
Twig (template engine)
Zend Engine
Zend Engine
OwnCloud
OwnCloudOmeka
OmekaGeeklog
Geeklog
Grav (CMS)
Grav (CMS)Concrete CMS
Concrete CMSPhpList
PhpList
Pixelfed
Pixelfedビジュアルエディター
VisualEditor
Magento
Magento