The OneOrZero Open Source Task Management and Help Desk System is an extremely powerful yet lightweight general public license ( GPL ) based task management and helpdesk application, based on PHP and making use of popular databases includin...
The homepage of the OTRS Project (email management - helpdesk - trouble ticket system). Recieve 5.000 e-mails a day and still be able to handle them ...
itracker is an easy to use issue / bug / defect / project tracking system designed to support projects with independent user bases. Features include multiple versions and components, detailed issue histories and email notifications.