Truck - A faster alternative to FTP
Outlook Google Calendar Sync - Offers calendar synchronisation between Outlook and Google, including attendees and reminders.
MirrorFolder - MirrorFolder is a real-time folder synchronization and backup software
gSyncit - gSyncit Outlook Cloud Synchronizer. Outlook Calendar, Contact, Task, Note Synchronizer supporting Google, Toodledo, Evernote, Informant, iCloud, AOL, Yahoo, Synology, Fruux, Memotoo and CalDav/CardDav services.
CopyQueue - CopyQueue - Copying under control.
EteSync - Secure, end-to-end encrypted and journaled personal information synchronization.