1)   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.
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 2)   Serial Port Splitter 3.8
Serial Port Splitter allows to share dataflow of one COM port between several applications or vice versa to join dataflow of several COM port devices to one application. Such universality is achieved by means of virtual serial ports technology.
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 3)   COM Port Splitter 3.5
COM Port Splitter enables you to add virtual and physical COM-ports to the configuration in real time, to create unlimited virtual serial ports, to deliver high speed data exchange with virtual serial ports and to configure ports bundles.
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