Google Drive - Access and sync your files anywhere
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
ShareFile - Secure file sharing and sync
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
Dropbox - Online Sync and File Sharing
Google Audience Center - 3 votes and 6 comments so far on Reddit