Slack - A messaging app for teams who see through the Earth!
Tragofone - White-label VoIP Softphone with WebRTC and Auto-provisioning
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
YakYak - Desktop client for Google Hangouts
Jostle - A new kind of employee intranet that drives engagement & workplace culture. Achieves social participation in work relevant way. Participation rates are over 85%.
PhonerLite - PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).