Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
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.
SpotMenu - Spotify and iTunes in your macOS menu bar
Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
OpenPhone - Simplest way to own a business phone number
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.