CCScan
Simple, no-frills Java driver for the CueCat scanner. [Open Source, GPL]
url: www.marmstro.net/cuecat/CCScan_0.02.tar.gz
CEJavaComm
A driver implementation for the Java Communications API for the WindowsCE/Pocket PC architecture. This driver supports RS232 (serial) ports (and possibly IRCOM but untested).
url: www.teilo.net/software/CEJavaComm/
Java Serial Port Control
Java classes for serial port access. [Commercial, Demo]
url: www.sc-systems.com/products/serialport/serialport....
JButtons
Java framework for controlling iButton and MicroLAN 1-wire devices. [Open Source, BSD-like]
url: kelly.homeunix.com/modules.php?name=Downloads&...
Mobile Phone Library
Java library for access to GSM mobile phones. Also library based tool. It allows to view and edit phonebook entries in the phone, to send, read, delete read short text messages (SMS) [Commercial]
url: www.mobtool.softrp.net/mobile.jsp
RCXComm
Java package for communicating with the Lego Mindstorms RCX Brick. The core of the RCX Brick is a Hitachi H8 processor that can be controlled in a variety of ways to read sensors, activate motors and do general processing. [Open Source, GPL]
url: www.iau.dtu.dk/~lego/lego3/rcxcomm/