Yammer - Yammer is a leading enterprise social network used by more than 200,000 companies worldwide, including 85% of the Fortune 500, to get work done smarter and faster. Sign Up Today.
Honeycommb - Social networking solution for businesses of all sizes
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
talkSpirit - talkSpirit is an enterprise social network solution to share information, encourage modern collaboration and strengthen company culture.
Communifire - Enterprise Social Collaboration Software
NiceJob - Get more reviews and build an build an awesome reputation with NiceJob.