Team 1515 has something similar! It's called MorTeam, and it can be accessed at
http://www.MorTeam.com
It has many features like the ability to create subdivisions, make team-wide or subdivision-specific announcements, private chats, group chats, drive folders, calendar events, take attendance, assign tasks, view nearby teams on a map and more!
There is also an android app on the play store. The iOS app is currently in progress. 22 teams currently use MorTeam.