HsTcp2Com is a communication application / Serial Device Server for Windows and Linux which allows forwarding / bridging data between serial ports (RS232 / RS485, bluetooth, IrDA, USB) represented as COM ports or /dev/tty serial devices and TCP/IP.
License: Shareware
OS Support: WinXP, Win Vista

Tunngle is free virtual private network (VPN) software and allows any interested parties to extend their local area network (LAN) to include computers at remote locations around the world.
License: Freeware
OS Support: WinXP, Win Vista

SNMP network manager - integration with SCADA and HMI using OPC and Web Services, OPC DA 30, 2.
License: Shareware
OS Support: WinXP, Win2003, Win2000, Win Vista

SNMP network management integration with SCADA and HMI using OPC and Web Services, OPC DA 30, 2.
License: Shareware
OS Support: WinXP, Win2003, Win2000, Win Vista

SNMP/OPC gateway - network management integration with SCADA and HMI using OPC and Web Services, OPC DA 30, 2.
License: Shareware
OS Support: Win2003, Win2000, Win Vista

Hide your MAC Address from hackers, your ISP, WiFi networks, online games, etc Anyone with the right tools can track your Internet activity if they know your MAC Address.
License: Shareware
OS Support: WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2000, Win98, Win95

ipMIDI - A MIDI over Ethernet Driver No more MIDI interfaces needed to communicate between applications on different PC's.
License: Shareware
OS Support: WinXP, Win Vista

Provide users with a convenient customizable WiFi and Ethernet network connection management tool that can be locked down Perfect for limited purpose tablets, secure computers, and Windows embedded environments.
License: Shareware
OS Support: WinXP, Win Vista

Access and manage USB and COM port devices remotely over LAN/Internet.
License: Freeware
OS Support: WinXP, Win2003, Win2000, Win Vista, Win98

Take advantage of Serial over Ethernet program developed by Eltima Software.
License: Shareware
OS Support: WinXP, Win2000