Shortwave Bookmarklet - Shortwave is an extensible quick-search and shortcut bookmark.
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.
Shortwave - Email smarter & faster with a reinvented experience for your Gmail
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
YubNub - YubNub is a networking web service with a command line–style interface.
YouCanBook.me - YouCanBook.me is a cloud-based service which allows your customers to schedule appointments and make bookings.