bbcpufreq is GUI front end for the CPU frequency daemon for Linux, cpufreqd. It finds its use in blackbox-like minimalistic window managers (in the slit/docking application). It allows users to switch cpufreqd between manual and dynamic modes, and to select a desired power profile (i.e. desired speed and speed limits).
wmsupermon is a universal monitoring dockapp. It can be used to monitor CPU usage, disk I/O, memory usage, swap, filesystems, space utilization, network traffic, wireless link quality, CPU frequency, CPU temperature, fan speed, voltages (without requiring lm_sensors), battery status (with actual, not "reported", discharge rate), traffic from your router, or anything else. It can open and maintain many dockapp windows with one dockapp process.
IDAutomation GS1 Databar Java Package contains Java Beans, class libraries, applets, and servlets for creating Databar compliant images from a Java application. Supports GS1 DataBar, Stacked, Truncated, Stacked Omnidirectional, Limited, Expanded, Expanded Stacked Omnidirectional, Composite Components, PDF417, MicroPDF417, UPC-A, UPC-E, EAN-13, EAN-8, GS1-128 and Code 128. The servlet easily creates barcodes in a Web browser and may be embedded in dynamic HTML with the IMG tag.