Bugzilla is a web-based free tracking tool that provides bug tracking and testing tools. The Bugzilla Life Cycle provides with an efficient workflow right from confirmation to its handling and reporting. It has an advanced search option for searching existing issues and filter using any field in the database. The Classifications feature allows you to manage and group multiple products. In this tool, “Projects” allow the users to file bugs which is assigned to a “Gatekeeper” that allocates its priority and responsibility levels. For quality assurance, you can define versions, development milestones and release versions. It also supports system of votes, in which users can vote for issues or features they wish to see implemented. It extends its capabilities as a technical support ticket system, task management tool, or project management tool.