Defect Management Tools are essential software solutions designed to enhance quality assurance by effectively managing and resolving defects throughout the software development lifecycle. These tools offer features such as comprehensive defect tracking, customizable workflows, real-time collaboration, and detailed reporting. Popular tools in this category include JIRA, Bugzilla, Kualitee, and MantisBT, each providing unique functionalities to streamline bug identification, prioritize fixes, and improve overall software quality. By leveraging these tools, QA teams can ensure efficient defect resolution, enhance team communication, and deliver high-quality software products on schedule.