Workbot for Slack - Work your apps from Slack
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.
Birdly - Birdly is an expense management and expense report solution for SMBs.
Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
tray.io - Enterprise-scale integration platform
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.