AbTest.io - A free url shortener with A/B testing features
TestRail - TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
Kualitee - Your next ALM alternative for Requirements planning, test case management, and issue tracking for both manual and automated testing.
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
Buildkite - Buildkite is a platform for running fast, secure, and scalable continuous integration pipelines on your own infrastructure.