1)   ActiveComport Serial Port Toolkit 3.0
Serial COM port Communication SDK to add serial communications to your project. Communicate with a modem, scanner, printer or any other serial port device. Samples included for ASP, VB, VB .NET, VC++, VC# .NET, JavaScript, PHP, Delphi and VBScript.

 2)   Programmator for Panasonic KX-TA308/616/624 1.01.02
Programmator is a programming tool for the Panasonic KX-TA308 / Panasonic KX-TA616 / Panasonic KX-TA624 PBX (programming, management, and administration). The built-in "installation help" can aid you to solve many difficult problems.

 3)   ActiveComport Serial Port Development Kit 2.1
Serial COM port Communication SDK to add serial communications to your project. Communicate with a modem, scanner, printer or any other serial port device. Samples included for ASP, VB, VB .NET, VC++, VC# .NET, JavaScript and VBScript

 4)   Programmator for Panasonic KX-TD1232/816/308 1.29.30
Panasonic KX-TD1232/KX-TD816/KX-TD308 Programming Software for Windows. Easy understandable interface, full compatibility with any version of PBX firmware, built-in installer's help

 5)   datAxe TCP IP serial data converter 2.1
datAxe is a flexible converter to solve all needs between serial data and TCP/IP on Windows computers. datAxe makes serial data from your PC available on TCP/IP networks and makes TCP/IP data available on physical and virtual serial ports of your PC.

 6)   Virtual Serial Port Driver XP4 4.0
Using Virtual Serial Port Driver XP4 you can create virtual serial COM port pairs which are virtually connected to each other via virtual null-modem cable and for other Windows applications seen as real serial ports connected via null-modem cable.