web based Scrum tool, customizable, feature rich and easy to use
Genji is a web based Scrum tool and task management system. It offers powerful filtering capabilities, many customization features, reports, integration with Jenkins, SVN, Git, Maven, and more.
Support for RACI project management matrix and the Getting Things Done method is built in.
Kunagi is a free web-based tool for software project management based on the agile framework Scrum. Not only does it help pragmatic people get their work done, it's also suitable for distributed teams and fun to use.
xProcess, for project management and process improvement, focuses particularly on agile and priority-driven approaches. The preconfigured processes, eg. Scrum, FDD, Prince2, Unified, can be tailored. Gantt/Burndowns/target status are continually updated.
This software is an open source light-weight SCRUM tool. The developer who uses ScrumBones is one whom develops alone -- appreciating a bare-bones method of light and agile self-management.
Scrum backlog organization tool that allows easy prioritization of work.
Intended for use in Sprint Planning Meetings, so must be intuitive to Product Owners, Stakeholders and the Team as well as providing enough info to be useful to the Sprint.