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 program universality is achieved by means of virtual serial ports technologies. Moreover Serial Port Splitter allows to setup READ/WRITE or READ ONLY mode for every created virtual port. Serial Port Splitter is powerful tool for both business/industry and individuals, since millions of legacy serial devices are still in common use today. Serial Port Splitter allows individuals and companies to connect legacy serial devices to an applications providing many more options for data acquisition, device management and industrial control than would otherwise be available.