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.
DalekJS - DalekJS is an open source UI testing tool.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Webinject - WebInject is a free tool for automated testing of web applications and web services.
TestLink - Test & requirements management