Including your contact list, messages, a group calendar which syncs to Google Calendar, simple and event polling, interactive group maps and a shared folder for files, photos, and links.
Google Groups is an email service focused purely on group communications, both inside and outside of work.
Easily send messages to everyone, track who has opened and read your messages, and send quick reminders to the ones who haven’t.
Google Groups is only for gmail users.
Joinable is free for organizers and members and has no distracting advertising.
Google Groups is free for individuals and has a monthly membership fee for businesses.
Each group is a private communication hub, where your members control precisely what they share and with whom.
Google Groups has some privacy measures dependent on the group