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.
AbTest.io - A free url shortener with A/B testing features
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
TestLink - Test & requirements management
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.