Redmine
Open Source
Redmine is a flexible project management web application.
GanttProject
Open Source
GanttProject is free Java based, project management software that runs on the Windows, Linux and Mac OS X systems.
Open Atrium
Open Source
Drupal is a free and open source content-management framework written in PHP and distributed under the GNU General Public License.
OpenProject
Open Source
OpenProject is a web-based project management system for location-independent team collaboration.
PMRobot
Freemium
PMRobot is Project Management Software designed exclusively for Software Consulting Companies.
GNOME Planner
Open Source
GNOME Planner is a cross-platform project management tool based on the Work breakdown structure (WBS).
fluxday
Open Source
fluxday is a user-friendly, free & opensource task & productivity management tool for growing startups.
Bitrix24
Freemium
Bitrix24 is a free (for small businesses) social enterprise platform.
LibrePlan
Open Source
LibrePlan is a free software web application for project management.
SOGo
Open Source
SOGo (Scalable OpenGroupware.org) is an open source collaborative software (groupware) server with a focus on simplicity and scalability.
Active Collab
Commercial
Active Collab is a web-based project management tool.
Rachota
Open Source
Rachota is a portable application for time tracking different projects.
