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Abstract
Software Engineering is an engineering branch related to the evolution of software product using well-defined scientific principles, techniques, and procedures. The result of software engineering is an effective and reliable software product. There is a testing phase in software engineering.A bug could be in either a program’s source code or its design. We can easily find the bugs in the softwareprogram. Bug finding tool is needed to find out the defects in the software program.To test the software product,bug tool is most helpful.Bug tools is used to identify the flaws in the software.In this article ,let us discuss about the various software bug tools and how the tester is using this tool to test the software.