Confluence - Confluence is content collaboration software that changes how modern teams work
Sharepoint Online - SharePoint is a secure place to store, organize, share, and access information from almost any device.
Slack - A messaging app for teams who see through the Earth!
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.
Ryver - Ryver provides all of your team communications in one place: chats, posts, and files.
Dropbox - Online Sync and File Sharing