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.

TestLink - Test & requirements management

Testsigma - Complete AI-driven Test Automation platform for Web apps, Mobile apps and APIs. Simple English commands to automate complex tests easily and effectively with all the flexibility that enterprise teams need!

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

SquashTest - Squash TM is the test repository manager found in the open source Squash toolkit.

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