Google Drive - Access and sync your files anywhere
Cloudingo - Cloudingo - a cloud-based SaaS, connects to Salesforce and allows system administrators to scan their entire database for similar or duplicate records.
ShareFile - Secure file sharing and sync
CRMfusion - CRMfusion is a suite of data quality and data integration tools that integrate well with Salesforce.
Dropbox - Online Sync and File Sharing
ZaapIT - Mass Merge, auto merge, duplicates cleanup, bulk edit, bulk update, bulk delete , mass lead convert