jSyncManager is a Java-based data synchronization toolkit for PalmOS handhelds. It consists of a developers API, including a fully Palm-compatible synchronization protocol stack, and a set of end-user applications. It is ideal for use by any individual or organization that needs fast, stable, and easily extendable PalmOS handheld data synchronization that can run on a variety of platforms. It also supports plug-ins, which can be used to add synchronization support to applications, and includes a variety of import and export modes, including XML and CSV.
SuperWaba is a VM for PDAs. Because of the way it was written, you can use Java to develop programs for it. It supports exceptions, threads, many user interface controls, double and long 64-bit types, grayscale, color, 3D controls, and JNI and Java libraries, among other features. The project has been superseded and replaced with TotalCross.
J2ME ChartComponent is an MIDP 2.0 charting component with basic functionality for showing charts on embedded devices. It currently implements horizontal bar, vertical bar, and line charts. An incomplete and experimental pie chart component is implemented, as well as a very simple 'legenda'.