1)   MAPILab Groupware Server 1.5.3.2
MAPILab Groupware Server is a cost effective alternative to the traditional methods of Outlook sharing. It allows you to easily share contact details, message folders and more over your network without requiring Microsoft Exchange Server.

 2)   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!

 3)   OLfolders PE 2.8
Share Microsoft Outlook in a network without installing a complex server application. OLfolders PE allows sharing personal data files with 5 users in a network. It runs under any version of Windows from 95 to Vista and Outlook from 97 to 2007

 4)   ShareO 2.96
Share/synchronize Microsoft Outlook Personal Folders (calendar, contacts, journal, mail, tasks and notes) without server. Create subscriptions for events, contacts lists. Share any custom forms of clients' data and mail folders. Create easy your CRM.

 5)   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.

 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.

 7)   OutShare for Outlook 1.0.3704
Share and synchronize Microsoft Outlook Personal Folders (calendar, contacts, journal, mail, tasks and notes) without a server. Access your Outlook data without Outlook via web browser and share your Outlook data with users without Microsoft Outlook.