PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
AbTest.io - A free url shortener with A/B testing features
Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
Marpipe - Automate Your Ad Testing, Optimize Your Creative
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.