1)   Census Bug Tracking and Defect Tracking 6.0
Census is a Web-based bug tracking and defect tracking tool that is fully customizable and integrated with VSS. Features include e-mail notifications, user/group/field-level security, role-based workflow, built-in reporting, and revision history.
bug tracking, bug tracker, defect tracking, defect tracker, issue tracking, issue tracker, bug tracking software, bug tracking system, defect tracking system, defect tracking software,

 2)   WorkRoll Bug Tracker 2.62
Web-based bug tracker with Windows installer, no app server needed (one is included, or use your own). No db required. Installation, config, admin, and general use are fully web-based. Filtering, softing, file attachments, tiered authentication.
bug tracker, issue tracker, to-do list, task manager, web-based bug tracker, web-based issue tracker, web-based to-do list, web-based task manager, jsp bug tracker, jsp issue tracker,

 3)   AdventNet QEngine 6.0
AdventNet QEngine is a powerful, robust Test Automation tool to test web applications,web services,schedule tests for unattended execution, run tests from command line for all test types and track issues and features.
Web Application Testing, Web Performance Testing, Web Services Testing, Web Services Application Testing, Record & Playback, SOAP, HTTP, Test Scheduling, Test Anywhere, Issue Tracker,