XQual Studio (XStudio)
http://www.xqual.com/
A free 100% graphical and modular in design test management application that handles the complete life-cycle of your QA/testing projects from end to end: users, requirements, specifications, development projects (scrum oriented), SUTs, tests, tesplans, test reports and test campaigns
http://blog.csdn.net/zbyufei/article/details/5937642