jtrac - JTrac is an open source and highly customizable issue-tracking web-application written in Java.
PlayVox - With PlayVox you can run your QA, Coaching, Training and Motivation programs in one place in order to improve CSAT and other relevant KPIs.
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.
Stella Connect - Stella Connect enables to build deeper customer connections, increase employee motivation and transform the QA and training approach.
Bugify - Bugify is a simple PHP issue tracker, designed to offer powerful bug tracking capabilities in an easy to use system.
Observe.AI - Observe.AI is a top-rated platform that helps you to ensure high-quality call center customer services.