ferrisplasmoids is a set of KDE4 plasmoids to output and graph files from the libferris Plasma Data Engine.
abomination is a set of KDE4 plasmoids and data engines to show data from the Australian Bureau of Meteorology. It harvests the data and displays observations and radar images on your desktop.
A comprehensive tutorial and reference on shell scripting using Bash.
An alternative MogileFS storage daemon implementation.