Network/Unplugged 5.0
With Network/Unplugged, users can operate in a Virtual Network environment when detached from the network, making synchronization extremely easy. Its proprietary technique enable fast synchronization and backup ensuring that only the portions of files that have changed are transmitted during synchronization and backup. Network/Unplugged's unique open file Synchronization makes Outlook backup (pst backup) possible in a fraction of time.

Network File Monitor Pro 2.31.1
Data replication, backup and synchronization software for networks. Has flexible scheduler settings and numerous functions: file copying and moving inside LAN, HTTP, FTP and E-mail file transfer, launching programs, sending message between computers, sending E-mail messages. Works as Windows NT service.

Synchromagic Pro 4.3.2.2
Synchromagic - foolproof synchronization of files and directories, either one-way or bi-directionally. Tasks can also be performed over a local area network, FTP and Internet Kiosks. Multiple targets, silent mode, shutdown after synch, and email report included. File can be selected or excluded by either byte size or extension. Exclude specific folders and files. Create disaster recovery backups. Scheduler, invisible mode and dial-up included.

East-Tec Backup 2009 2.3
East-Tec Backup 2009 backs up and protects the files and data you care about (files, folders, documents, emails, photos, address book, and settings from your favorite programs such as Internet Explorer, Mozilla Firefox, Microsoft Outlook and Outlook Express, and more). East-Tec Backup 2009 is very easy to use and features intuitive wizards, automatic backups, data compression, strong military AES encryption, data synchronization and FTP support.

SyncEXPnet 3.70
SyncEXPnet synchronizes files, folders and databases on Windows platforms over TCP/IP networks, such as the Internet and the local mini network at your office and home. It supports all kinds of database with a ODBC connection such as Oracle, DB2, Microsoft SQL Server, Sybase, Pervasive SQL, MySQL, PostgreSQL, and desktop database products such as FileMaker, and Microsoft Access. SyncEXPnet is a client-server program with size about 2MB zipped.