Mantisbt 

The Mantisbt (Mantis Bug Tracker) is licensed under the GPL

Mantisbt Plugins

Plugins listed on this website are licensed and copyright by their respective ownersy. In general, we would prefer if plugin authors adopt the GPL, or a similar open source license and allow their plugin to be improved by the community through patches.

This Web site 

This Web site is powered by Joomla! Copyright 2005-2007 Open Source Matters and licensed under the GPL.

All other content and data, including data entered into this Web site and templates added after installation, are copyrighted by their respective copyright owners.