Communifire - Enterprise Social Collaboration Software
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
DigitalChalk - Online Training Software and Learning Management System (LMS)
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.