1)   SYNCING.NET 2.0
Sync your Outlook and your files on all your PCs and share them worldwide with colleagues or friends! SYNCING.NET keeps all your data in perfect sync and automatically backed up. It is easy to use and secure - no server required!

 2)   PSTSync 2.5.1010
PSTSync, the ultimate tool for all of your PST file management. Now you can easily synchronize all of your data the smart way. PSTSync can handle all types of Outlook folders. It keeps all your computers in sync with your PST mail files at all times.

 3)   ShareO for Outlook 3.51
Share Outlook folders without server. Microsoft Outlook add-in for synchronizing and sharing Outlook folders, sharing PST, sharing email, sharing calendar without Exchange. Share calendar, share Outlook contacts, sync Outlook contacts, address book.

 4)   QSynchronization 2.5.1
QSynchronization is a Microsoft Office Outlook add-in. It synchronizes uni- or bidirectional your Outlook folders on Outlook notebooks or PDA such as contacts, calendars, appointments, tasks, emails with your central Outlook data.

 5)   Carry it Easy +Plus 3.0.0.0
Turn your portable storage device (e.g. USB Flash Drive, external HDD, iPod or MP3 Player) into a powerful tool. Protect your data, backup or sync your Outlook, sync your files and internet favorites and compress all data to save space. It's Easy!

 6)   Sync2 for Outlook 2.20
Microsoft Outlook synchronization add-in. Sync Outlook between computers without a server. Synchronize Outlook data using shared folder on LAN, USB drive, FTP. Share Outlook Calendars with Google Calendar. Sync Google Contacts with Outlook Contacts.