rtusd is a foundation set of real time enabled User Space Devices/Drivers designed to link to HRT high resolution Timer controlled POSIX threads and link re-factored Linux hdw drivers for 2.6.18+. rtusd propogates Linux RT to user space generically.
Jcam captures and saves JPEGs and Video from your webcam, manually or automatically. It works on Linux and Windows, for cameras with drivers compatible with v4l or vfw. It uses Java(1.3.1), Swing and Blackdown/Sun JMF2.1.1 respectively.