XQual provides XStudio, a free test management application that handles the lifecycle of QA/testing projects: users, requirements, specifications, SUTs, tests, tesplans, test reports, campaigns and defects.

Official site of a software test management method. Description of the method as well as presentations of books about the topic, events, downloads and exemplary cases.

CleverTrack is a tool for test management and bug tracking.

PractiTest is a SaaS (no installation) solution to manage QA Process with modules and features for Test Management, Bug Tracking, Reporting and more.

This tool is a fully web-based defect tracking and support ticket system that manages issues and bugs, customer requirements, test cases, and allows team members to share documents. [Commercial, trial version]