Pingus by Ingo Ruhnke is a free Lemmings-like game covered under the GNU GPL. It features currently 22 playable levels and runs under a wide variety of operating systems. Ported to Wii by r-win.

http://wiibrew.org/wiki/Pingus

Yabause Wii is a Sega Saturn emulator for Wii and is the first of its kind as emulating the complex processes of the Sega Saturn is much harder then it looks and now even harder to run it on the limited hardware of the Wii.

Changes:

* based on the original yabause r2888
* some minor fixes and changes

http://wiibrew.org/wiki/Yabause_Wii

FBZX is a ZX Spectrum emulator for FrameBuffer written by Sergio Costasand ported as FBZX Wii to Wii by Oibaf.

Main features:

* Emulates accurately the Original 48Kspectrum (both issue 2 and issue 3), the classic 128K, the Amstrad Plus 2, the Amstrad Plus 2A and the Spanish 128K. This includes screen, keyboard and sound (both speaker and AY-3-8912 chip).
* Screen emulation is extremely accurate, so it can emulate border effects and even attribute effects.
* Supports Z80 snapshots, both loading and saving, and loading .SNA snapshots.
* Supports TAP (both read and write) and TZX (only read) tape files, supporting normal speed loading and fast speed loading.
* Emulates up to 2 joysticks of types: kempston, cursor and sinclair1 and sinclair2.
* All the wiimote, nunchuck and classic controller buttons and joypads are fully configurable.
* Virtual keyboard support.
* Emulates the Interface I and Microdrive.
* Emulates the ULAPlus
* Based in a new, fully free, Z80 emulator (Z80Free).

http://wiibrew.org/wiki/FBZX_Wii

The Wii System Menu Player by Dimok and giantpune is a reconstruct of the System Menu with the original resource files of the System Menu. It loads the resource and animation files from the NAND and replicates the behavior of the System Menu.

Features:

* Use and demonstration of the Wii animation and layout system (brlan/brlyt)
* Main system menu layout
* Settings menu layout
* Home menu layout
* Game saves menu layout
* Channel edit menu layout
* Full screen animation banners
* Icon animation banners
* Several system animation banners (e.g. disc/gc channel)
* Gamecube/Classic/WiiMote controller support
* Playing “.bnr” and “.app” files from “sd:/banners/” (e.g. game opening.bnr)
* Widescreen detection
* Language detection

http://wiibrew.org/wiki/WiiSystemMenuPlayer

WiiMC (Wii Media Centre) is an open source media player for the Nintendo Wii written mainly by Tantric and rodies.

Changes:

* Fixed USB support

Thanks to http://nintendomax.com/viewtopic.php?t=14305&f=54 for the news.

http://www.wiimc.org/2012/04/20/version-1-2-6-released/

UAE Wii is a port of the famous Amiga emulator UAE and is based on the source code of E-UAE. The port uses SDL Wii.

Changes:

* Added dms and zip support
* Added drive sound
* (build) Compiled against libogc 1.8.9

http://wiibrew.org/wiki/UAE_Wii

Quake Rev PAK is a collection of gaming engines, related to the Quake series of games by id Software, modified to run on the Nintendo Wii, using the popular devkitPPC toolchain for homebrew development.

The provided launcher will start the following games (provided that their respective game data files were copied into the installation folder):

* Quake (using the Q1Rev engine)
* QuakeWorld (using the QWRev engine)
* Quake II (using the Q2Rev engine)
* Quake II Threewave Capture The Flag (using the Q2CTFRev engine)

Release notes:

This release introduces the first GX-accelerated builds of Q1Rev and QWRev. They run at 60fps (instead of the 30fps of the software-rendered ones), and look really gorgeous! To load them, be sure to check the new “Use GX-accelerated builds if available” option on the Quake Rev PAK launcher.

http://wiibrew.org/wiki/QRevPAK

The Scary Demo by CRTC is a demo for both, Wii and GameCube, released at Revision 2012. It ranked 3rd in the wild demo competition.

http://www.pouet.net/prod.php?which=59102

Bermuda Syndrome Wii is a port of the Bermuda Syndrome game engine. You need the original data files of the game.

Changes:

* Better usb support(ios58).
* Use BMP instead of PNG for background menu(libpng issue with latest SDL-Wii).

http://wiibrew.org/wiki/Bermuda_Syndrome_Wii

Yabause Wii is a Sega Saturn emulator for Wii and is the first of its kind as emulating the complex processes of the Sega Saturn is much harder then it looks and now even harder to run it on the limited hardware of the Wii.

Changes:

* compile with devkitPPC r25 and recent libogc (support new remote plus)
* based on the original yabause r2858 (including mainly improvements of VIDSOFT & SCSP drivers)
* branch software video driver to two drivers: old one and new one
* some minor fixes and changes

http://wiibrew.org/wiki/Yabause_Wii