Communifire - Enterprise Social Collaboration Software
Whaller - Create your own free and unlimited private social networks.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
hub - The Hub is a versatile intranet portal and collaboration solution that boosts employee engagement and productivity in a digital workplace.
DigitalChalk - Online Training Software and Learning Management System (LMS)
Hallo App - A private social network for your friends