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.

Testomatio - Testomat.io — Test Management System for automated tests. A powerful solution to keep and sync your automated and manual tests in one place, provides to make testing activities completely visible and transparent for all teammates Dev, PM, BA

TestLink - Test & requirements management

Qase - Test case management software for QA and development teams that helps you make your product better.

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

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