Redmine is a popular open source project management web application. It was written using the Ruby on Rails framework. This software is more oriented towards a traditional approach for project management with Gantt charts and calendar. Redmine architecture allows however creating plugins to add additional features. The development of a number of Agile and Lean plugins has therefore been started in these past years. However not all those plugins have been in continuous development until the current release of Redmine 1.2.1.

Express is an agile project management tool focused on iteration and backlog management. Express is designed around the Scrum approach to Agile Project Management and supports stories with tasks. Developers and other stakeholders are able to track the progress of each iteration using the iteration burndown chart and a virtual wall which shows each story’s tasks moving through the various stages from open, through in-progress and test, to done.

XPlanner+ is an open source (free) project planning and bug tracking tool for agile teams written on Java.
Xplanner+ is based on XPlanner, and has new and improved features, such as: fancy design, email notifications for tasks, redraw charts button, drag and drop stories.

Agilefant is a simple but powerful solution for managing software development projects and related activities. It brings together the perspectives of organizing daily work, long-term product and release planning and project portfolio management.

IceScrum is a tool for development teams using Scrum or another agile developpement process.