An OpenGL game in which you must hunt birds, animals etc, featuring FULL interfaces, managers for textures, cursors and fonts, well-comented sources... Please note : if a certain version of a package doesn't exist, download the last one before it.
This application will be the software part for "Universal Atmel Flash 8051 / AVR Programmer" that can be found at : http://home.tiscali.de/peterd/tools/proflash/index.htm (on my opinion this is the best free MCS51/AVR programmer).
BomberMan with graphics acceleration, internet play, 3D (maybe...), mods (think of a 2D Quake!), and many more...
C# Network Tester is an application that, for a given IP (one or more) detects the link status using Threads. The application requires .NET Framework (download at http://www.asp.net/download-1.1.aspx?tabindex=0&tabid=1) and provide save/load of IP Lists.
DC Sharp Hub is a Direct Connect File Sharing Hub written in C# (C Sharp) that will provide connectivity with other peer to peer networks.