nrComm Lib provides some tools for performing the serial communications tasks in Delphi/CBuilder development. It has ready solutions for many communication tasks : RS232, TAPI (data and voice modems), Text to speech conversion, access to LPT port, barcode readers, Bluetooth connections and devices, work with GSM (sms send receive, access to phonebook etc.), ZModem file transfer protocol, HID devices, Terminal, logging and other more.