rxtx is a native library for serial and parallel communication in Java. It provides a portable implementation of Sun's JavaCOMM standard, and runs on various Unixes, Mac OS X, BeOS, Microsoft Windows and others.
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Rxtx now builds on Irix, HP-UX, Win32 and BSD. Support for Cyclades, Comtrol and Stallion cards, and many other Linux devices has been added. Support for both the IBM JDK and Sun JDK 1.3 included. Bugfixes.