1)   Virtual Serial Port ActiveX Control 3.0 Create virtual serial port directly from your application and work with it. Full serial port software emulation. Created virtual serial port looks like real serial port for other Windows applications. Compatible with VB, VC++, C++ Builder and Delphi. 2)   AVSD OEM 2.4 AVSD OEM allows creating and managing virtual com ports, emulating serial devices or transfer data over networking. 3)   Virtual Serial Port ActiveX 4.2 Create virtual serial port directly from your application and work with it. Full serial port software emulation. Created virtual serial port looks like real serial port for other Windows applications. Compatible with VB, VC++, C++ Builder and Delphi. 4)   Multicom OEM 2.0 With Multicom OEM you can: -Create your_protocol-to-serial abstraction. -Create virtual platform and emulator plugins. -Create usb2serial bluetooth2serial IrDa2serial adapters