Mantis Bug Tracker is a free web-based bugtracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. Mantis Bug Tracker claims support for Microsoft Windows, Mac OS, OS/2, and a variety of Unix operating systems. It is released under the terms of the GNU General Public License.
For Mantis 1.1.x
For Mantis 1.2.x
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Mantis Bugtracker
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