Dropbox - Online Sync and File Sharing
NextPlane - NextPlane offers cloud-based, scalable unified communications federation service for the enterprise.
Mega - Secure File Storage and collaboration
Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
Google Drive - Access and sync your files anywhere
Sameroom - Chat interoperability-as-a-service