http://ebills.sourceforge.net/

e-Bills is written in PHP, HTML, JavaScript, uses the MySQL database and LaTeX with Ghostscript for text processing.

http://dasystem.sourceforge.net/

DAS is the Dynamic content Administration System for the websites. It is designed for the content management of DB, i.e. to browse, add, edit and delete data.

https://sourceforge.net/projects/cmapp/

http://cday.sourceforge.net/cdayphp.php

http://documentation.actionapps.org/en/Main_Page

https://dadabik.com/

https://xoops.org/

https://opensolution.org/cms-system-quick-cms.html

Free content management system (CMS). See how fast you can create your own website using this software!

http://www.postnuke.com/

PostNuke is software that creates an impressive, dynamic web site and provides the webmaster with a site they can administer with a minimal amount of HTML knowledge through a web browser.

https://github.com/AppStateESS/phpwebsite