stickK - stickK enables users to form commitment contracts to help them achieve their personal goals.
Mixmax Calendar - The fastest way to schedule meetings with anyone, anywhere
YourHour - YourHour is an app by Mindefy labs through which you can easily overcome with your phone addiction by monitoring your phone usage.
Calendly for Chrome - Schedule meetings without leaving your inbox
Momentum - Agile goal and performance management
Plann3r - Schedule any kind of meeting in less than 30 seconds!