TestRailโs web-based test case management is used by thousands of great QA and Development teams to efficiently organize, track and manage software testing.
TestRail is recommended for quality assurance teams, software development teams, and project managers who want to improve their testing process management. It is particularly beneficial for medium to large teams that require extensive collaboration, comprehensive reporting, and a structured approach to managing test documentation and execution.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
PractiTest - PractiTest is a cloud based Innovative test management tool.
Roadmap - Collision avoidance for projects and people
Qase - Test case management software for QA and development teams that helps you make your product better.
Subtask - Subtask is a web-app for organizing tasks and projects graphically using Mindmaps.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.