Scrum Vision V3 is an Eclipse Mylyn connector that use Google SpreadSheet as a Scrum Product Backlog.
Scrum Vision has moved to www.scrumvision.org
You'll find more information and tutorials, issue tracker, and update site.
The most popular mindmapping and brainstorming software
Professional and powerful brainstorming and mind mapping software tool, open source, Eclipse Community Award winner, often used for capture ideas, knowledge/project management and GTD, supporting fishbones/org-charts/tree charts/spreadsheets, easy-to-use.