Cronofy - Unified Calendar API for developers
Lattice Feedback - Give co-workers feedback in the moment
Calendarix - Calendarix is a powerful and easy to use web-based calendar that runs on PHP and MySQL.
Lattice Reviews - 360 degree feedback and performance reviews
Campaign Calendar - Campaign Calendar by Bracket Labs builds a marketing calendar from your Salesforce Campaigns.
HappyMeter - A frictionless way to measure happiness and job satisfaction