OnBase - OnBase is an enterprise content management and process management software suite.
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.
IBM FileNet - Enterprise Content Management platform for large businesses
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Structr - Open-source data CMS platform.
Communifire - Enterprise Social Collaboration Software