Beevote is the application that allows groups of people, such as friends and colleagues, to organize quickly and easily places, dates and times of meetings and events.
The service is available here https://beevote.appspot.com/
For a tutorial watch this video http://goo.gl/c8asMO
Public repository for BeeVote
Facebook : https://www.facebook.com/Beevote
Google+ : http://goo.gl/VilFVM
Developed in 2015 for the workshop "Google Technologies for Cloud and Web".