Helium - Helium lets you accept payments by credit card for anything you want to sell online.
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.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
PiPer - A DIY Minecraft computer to build gadgets
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.