Tom Tromey wrote: > FWIW the free version of javax.comm I know > of is RXTX: http://www.rxtx.org/. Maybe that is helpful. The free version of CommAPI is part of the ClasspathX project; there isn't an official release yet but the prerelease package is: http://ftp.gnu.org/gnu/classpathx/comm-20040420.tar.gz This is designed to work with the comm drivers supplied in RXTX 2.0. -- Chris Burdess