The Homebrew Browser allows you to grab the latest homebrew applications and games all through your Wii. No longer will you have to take your SD card out to load the files or transfer the files from your computer to the Wii or even use your computer. Once you install a homebrew application and you no longer want it on your SD card, you can delete it as simple as that!
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FTPii is an FTP server for the Wii, giving people easy access to their SD cards without having to eject it from the Wii itself.
DragonMedia Player is a native Wii application with the intent of being a multi-source media player on the Wii.
MissileCommand is a clone of the retro game "Missile Command".
WiiPhysics is a physics playground for the Wii, much like Crayon Physics or PocketPhysics. It uses Box2D and libwiisprite.
Foxy has updated his Bubble Dizzy remake for Wii. This version adds SFX.
CapSure is a screenshot prog for PPC's.
This is Picross (aka "Nonogram") for the PSP programmed in Lua.
libosk is an easy to use, 100% configurable on screen keyboard for applications written using libwiisprite, written by beardface. Changing language, look and feel, etc... can all be accomplished simply by modifying a config file.
Box2D is a 2D rigid body simulation library for games. Programmer's can use it in their games to make objects move in believable ways and make the world seem more interactive. From the game's point of view a physics engine is just a system for procedural animation. Rather than paying (or begging) an animator to move your actors around, you can let Sir Isaac Newton do the directing.