Klaros-Testmanagement - Klaros-Testmanagement is a professional web based test management tool.

TestRail - TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.

Meliora Testlab - Best-of-class cross-browser hosted SaaS quality and test management, testing and issue management tools to improve your quality.

TestLink - Test & requirements management

Test Collab - Avoid software failures with smart QA 😎💥

Kualitee - Your next ALM alternative for Requirements planning, test case management, and issue tracking for both manual and automated testing.