Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Jostle - A new kind of employee intranet that drives engagement & workplace culture. Achieves social participation in work relevant way. Participation rates are over 85%.
Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.
Samepage - Samepage facilitates communication, project management, meetings, online collaboration, and more by combining team chat, video calling, screen sharing, task management, and real-time team document collaboration in a single collaborative workspace.
Confluence - Confluence is content collaboration software that changes how modern teams work
MangoApps - Founded in 2007, MangoSpring transforms the way teams work together.