Jostle - A new kind of employee intranet that drives engagement & workplace culture. Achieves social participation in work relevant way. Participation rates are over 85%.
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
TiddlyWiki - a non-linear personal web notebook
Simpplr - Simpplr’s social intranet offers powerful tools that ensure every employee is aligned and working toward common goals.
Confluence - Confluence is content collaboration software that changes how modern teams work