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Bugify - Bugify is a simple PHP issue tracker, designed to offer powerful bug tracking capabilities in an easy to use system.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
16bugs - 16bugs is an all-in-one bug tracking software that makes it easier for you to manage all sorts of bugs in performance with the simple interface; ultimately, you will be more productive for sure.
Percy - Your all-in-one visual testing solution. The new way to design, develop, and deliver software with confidence.
Traq - Traq is a PHP powered project manager and issue tracker featuring multiple projects, milestones...