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.
CONV. - Convert YouTube video to MP3, GIF or MP4
Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Yout - YouTube to Mp3 Converter