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.
PractiTest - PractiTest is a cloud based Innovative test management tool.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Redmine - Flexible project management web application
TestLink - Test & requirements management
Lean Testing - Lean Testing is a free bug tracker and test case management software for high performance development teams