FreeMind Windows, Mac, Linux
By FreeMind
For Everybody

FreeMind is a premier free mind-mapping software written in Java.

GanttProject Windows, Mac, Linux
By GanttProject
For Everybody

GanttProject is a java-based open source project management application that duplicates many of the features of Microsoft Project.

For additional information, please refer to: GnattProject: LSU Overview.

ProjectLibre Windows, Mac, Linux
By ProjectLibre
For Everybody

The ProjectLibre team were the founders of open source software downloaded more than 5 million times around the world. ProjectLibre is a major open source addition as the leading alternative to Microsoft Project and OpenProj. 

For additional information, please refer to: ProjectLibre: LSU Overview.

XMind Windows, Mac, Linux
By XMind
For Everybody

XMind 3’s mission statement is to create, as a community, the leading international mind mapping and brainstorming software that will run on all major platforms and raise users' work efficiency. The XMind 3 open source project is sponsored by XMind LTD, which is the primary contributor of code to the project. Developers are welcome to work with the XMind project code to improve the overall product, develop new functions, or augment other software products..