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.
StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
PractiTest - PractiTest is a cloud based Innovative test management tool.
Histats - Start tracking your visitors in 1 minute!
TestLink - Test & requirements management
AFSAnalytics - AFSAnalytics.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.