TestLink is a web-based test management tool written in PHP by Teamtest.
The tool is used by software testing teams for tracking, managing and maintaining test cases, test suites, test plans. It stores and generates different project data and statistics.
TestLink supports MySQL and PostgreSQL databases. One needs only a web browser to work with it. It can interact with popular error tracking systems.
The tool helps to allocate testing tasks, it is highly customizable and allows to set and manage access level for the team members.