Google Calendar - Spend less time managing your day & more time enjoying it
Out of Office Email Generator - Personalized, witty OOO replies for guilt-free vacationing.
Mixmax Calendar - The fastest way to schedule meetings with anyone, anywhere
OOO (Email) Generator - Brighten someone's day with a funky out of office email.
Sunsama - Calendar and scheduling for teams
Clockwise for Slack - Tame the chaos of work