There were days when most of the project management/planning was done on a paper or a spreadsheet. Then came these smart little tools that helped managers make smarter plans and decisions.
In this article, I have listed down the best Open Source Project Management tools available.

airTODO is a minimalist project management tool, intended for customer, project, module, operation, task and time management, which can work with local and/or remote repositories. Tool composed as single file with both, client (Eclipse plugin) and server functionality.

XPlanner is a project planning and tracking tool for eXtreme Programming (XP) teams.

TaskJuggler is a modern and powerful project management tool. Its new approach to project planning and tracking is far superior to the commonly used Gantt chart editing tools. It has already been successfully used in many projects and scales easily to projects with hundreds of resources and thousands of tasks.

The objective of the project “Rapla” is to provide an easy-to-use resource-management system. The primary target of the program were universities. Rapla allows coordination beetween the lectures and the administration. It offers multiple ways to view the available resources and schedule the events.
