https://www.k5n.us/webcalendar/

http://www.planscalendar.com/

A Good Web Calendar

https://sourceforge.net/projects/phpicalendar/

https://sourceforge.net/projects/extcal/

https://sourceforge.net/projects/comendar/

https://sourceforge.net/projects/phpevents/

The intention of this project is to create a simple way to track venues, bands and promoters then present any current events on a calender. We are using PHP-Nuke as a foundation.

http://acalproj.sourceforge.net/

A web based event calendar that does not require a database server. It is made to be easy to install and to be able to run on just about any typical ISP's server with PHP installed.

https://sourceforge.net/projects/pnclansite/

pnClansite helps Clans and Tribes add the FPS-style features they need for their sites. Features include roster listings, rank system, match scheduling, and battle stats.

https://www.csphere.eu/

ClanSphere is an advanced Web CMS for clan

https://sourceforge.net/projects/plinks/