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.
Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
PractiTest - PractiTest is a cloud based Innovative test management tool.
Screenster - 10x faster UI testing without a line of code.
TestLink - Test & requirements management
httest - The httest provides a large variety of HTTP-related functionality, useful for implementing all...
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.