TestRail’s web-based test case management is used by thousands of great QA and Development teams to efficiently organize, track and manage software testing.
TestLink - Test & requirements management
PractiTest - PractiTest is a cloud based Innovative test management tool.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Qase - Test case management software for QA and development teams that helps you make your product better.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Klaros-Testmanagement - Klaros-Testmanagement is a professional web based test management tool.