Sputnik is a wiki written in Lua. It is also a platform for building a range of wiki-like applications, drawing on Lua's strengths as an extension language.

Verve plugin is a command line plugin for Xfce panel, with autocompletion and command history

pbuilder implementation for QEMU.

The MATE Window Applets collection provides various applets to show window control elements in the MATE Panel.

VPCS can simulate up to 9 PCs. You can ping/traceroute to them or ping/traceroute to other hosts/routers from the VPCS.

The Open Clip Art Library is a collection of 100% license-free, royalty-free, and restriction-free art that you can use for any purpose.