MindManager 8 uses mind-mapping technology to let you capture, organize, and communicate information.

vManage allows you to organize and manage your overall testing process.

TestLink is a web based TEST MANAGEMENT and test EXECUTION system under GPL license. Enables quality assurance teams create and manage their test cases as well as organize them into test plans. These test plans allow team members to execute test cases...

Surround SCM, a scalable, cross-platform software configuration management solution, keeps source code and digital assets organized as it tracks change throughout your organization.

Test Plan Control is a tool that you can use to help organize, manage, and archive the testing of software. This tool is targeted to help your entire software development team with the testing process. Test Plan Control is targeted towards beginning to...

e-Manager Enterprise is a comprehensive yet easy-to-use tool that helps you organize your testing process and effectively manage all testing activity.

IeUnit is a simple framework to test logical behaviors of web pages. It helps software engineers to create, organize and execute functional unit tests. IeUnit also enables user to create quickly scripts to automate web sites related tasks.

Another very good tools reference site maintained by Danny Faught. It's organized by tool type.

Organizers of the SQE conference.

Organizers of PSQT/PSTT conferences.