GRRLIB for GX RGB Renderer Library provides lots of nice functions for programming beginners.
Shahzad Sahaib's Articles
libwiisprite is a C++ sprite library written for the Wii which utilises GX for all it's graphical operations, meaning the GPU is used to accelerate graphics.
Nuvalo has posted some information and a link to a Youtube video which shows he's gotten XSERVER booting on the Nintendo Wii. It's still in early stages, but looks promising.
ThrottleLauncher is a launcher app designed for Windows Mobile 5 and 6 in c# and c++. Basically it consist's of several pages containing rows. Each of the rows depending of it contents can be scrolled horizontally by using the finger. The app is fully configurable through xml files so the rest of the features depends on the diferent setups.
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Space Shooter is an original 2D space shooting game. It's simple, just shoot anything that moves or shoots back. The objective is to destroy all enemies on the four levels.
Planet Hively, a musicdisk which has been seen on platforms such as GP2x, Windows, Linux, and GP32, now sees a Wii release as well.
A simple pong-type game for the Nintendo Wii or Gamecube.
This is a script to use the DWL-G122 wireless usb device with the GP2x cradle. You need to get the wireless tools first. Modify your essid/password/ip addresses before running. More detail on the wiki about Wireless USB.
MPlayerWii is a native port of the MPlayer media player with Wiimote and FrontSD support. Place video and audio files on the root folder of your SD card.