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.
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Vyte - Free and easy scheduling application for professionals.
Communifire - Enterprise Social Collaboration Software
Framadate - Make your polls