Software: Project Management: Open Source

* Achievo - A web-based project management tool, offering basic project and customer management. (PHP)
* Air Todo - Offers a project management tool with zero administration.
* Austin - C++ parser for which converts XML-based project files into Gantt charts.
* dotproject - BSD-licensed PHP-MySQL web-based project management application, with Gantt chart support.
* Double Choco Latte - Issue tracking and project management. Part of Gnu Enterprise project.
* Eberom - CRM and Project Management Tool developed with Java and running with MySQL and TomCat. [GPL]
* FUTURe Project Planner - A time management application written in Java including todo lists, Gantt charts, diaries, pert charts. Currently in early project stages.
* Gantt Project - Graphical Java program for editing Gantt charts. GPL
* Gforge Project Management Tool - This part of the GForge collaborative development environment allows fine-grained control over tasklists, bugtracking, and gantt charts, with account management integrated into the overall product.
* jToDoList - Provides a todolist application written in Java.
* PHProjekt - Web-based groupware tool which includes calendar, project-management, time-card management, PDA synchronization, email, voting system and personal to-do list management.
* Project Management Interface - Web-based project management application. Provides portal management to a large number of coarsely-managed projects.
* Project/Open - Web-based project resource planning system, with project rooms, and tools for managing clients, invoices, time, and cost. Designed for the advertizing, IT consulting, translation and knowledge management sectors.
* Projectory - Open source, platform-independent, web-enabled project management tool for software projects based on Perl and MySQL.
* PyGantt - Reads a project description from a XML formatted file and outputs an HTML Gantt diagram.
* ScrumWiki - Simple Wiki-based tool for applying Scrum project management techniques. Collaborative, open source, cross platform and with full version control.
* Taskjuggler - A tool to schedule and track complex projects. The textual project description is compiled into schedules, status reports and GANTT charts.
* ToutDoux - A project manager for GNOME part of the GNU project. French/English.
* Track+ Issue Tracking System - Web based tool for bug, issue, and task tracking. Offers Gantt charts, diagrams, configurable workflows, email reminders of due tasks and PDF reports.
* TUTOS Groupware Suite - Web-based groupware suite.
* WebCollab - A web-based system for projects and project management.
* WR Time Tracker - PHP-based work time tracking system, under X11-style "Liberal Freeware License".