Similar to TYPO3
Phalanger
Phalanger (compiler)
PhpMyAdmin
PhpMyAdmin
RoundCube
Roundcube
Smarty
Smarty (template engine)SquirrelMail
SquirrelMailTranslatewiki.net
Translatewiki.net
Twig
Twig (template engine)
Zend Engine
Zend Engine
OwnCloud
OwnCloudPhpList
PhpList
Pixelfed
Pixelfedビジュアルエディター
VisualEditorムードル
Moodle
MediaWiki
MediaWiki