QextSerialPort is a cross-platform serial port class. This class encapsulates a serial port on both POSIX and Windows systems. CVS Two different revisions are available via cvs. Revision 0.9.x is Qt 2 & 3 compatible. Revision 1.x.x is Qt 4 compatible. ( this revision is in the cvs HEAD ) You can checkout the Qt 2&3 revision via cvs -d:pserver:anonymous@qextserialport.cvs.sourceforge.net:/cvsroot/q