Customer Relationship Management Software
- Request Tracker (Perl/CGI based ticket handling system) (ml)
- OTRS ("Open Ticket Request System". Perl/CGI based ticket handling system.) (cvs) (ml)
- Tekrat (PHP based ticket handling system) (cvs)
- BTT ("Bluetail Ticket Tracker". Erlang based ticket handling system.) (cvs) (ml)
- CRM-CTT (PHP based CRM system) (forum)
- SugarCRM (PHP/MySQL based CRM system. License: Sugar Public License) (cvs) (ml) (forum)
- vtiger CRM (SugarCRM based CRM system. Extra licenses: vtiger Public License and vtiger CRM License) (cvs) (forum)