Defect tracking is the process of tracking logged flaws in a product from start to finish (through inspection, testing, or recording customer feedback), and then creating new versions of the product that remedy the defects.
The Bugzilla program is built in Perl and uses the MySQL database. It's a bug-tracking program. However, because it can be coupled with other test case management solutions like Quality Center and Testlink, it may also be used as a test management tool.
Bugzilla is a web-based bug tracking system and testing tool created by the Mozilla project and licensed under the Mozilla Public License. Bugzailla. Bugzilla's mascot is Buggie.