SOGo - SOGo is groupware server with a focus on scalability and open standards.
Haul-IT - Haul-IT is a waste industry route management software that helps facilitate growth by streamlining the transactional processes, & manages revenue, productivity, cost and more.
Baïkal - Cal and CardDAV server
Trash Flow - Trash Flow provides software for Trash Haulers and Landfills / Transfer Stations
Xandikos - Lightweight CalDAV/CardDAV server on top of Git.
My Online Bill Pay Portal - Waste Management