v1.1 [Nov 18, 2004]
Additional stabilizations under Windows 2000; Interface enhancements; "Hot" installation - no reboot required either for installation or for creation of virtual serial ports; Completely transparent operation; Bidirectional data transfer; Flexible permissions control; Unique sharing technology
Serial Port Splitter grants simultaneous access to a COM port from several apps.
It looks like as real hardware serial ports for communications applications.
Tool for control intended for simplification of serial port communication tasks.
Pololu Serial Transmitter transmits sequences of bytes to a selectable COM port