FCE Ultra GX is an NES emulator based on FCEUX. With it you can play NES games on your Wii/GameCube. The GUI is powered by libwiigui.

Features:

* Wiimote, Nunchuk, Classic, and Gamecube controller support
* iNES, FDS, VS, UNIF, and NSF ROM support
* 1-4 Player Support
* NES Zapper support
* Custom controller configurations
* SD, SDHC, USB, DVD, SMB, Zip, and 7z support
* Cheat support (.CHT files)
* IPS/UPS automatic patching support
* NES Compatibility Based on FCEUX 2.1.4

Changes:

* Updated core to latest FCEUX (r2383)
* More accurate pixel scaling (thanks eke-eke!)
* Other minor changes

Free and legal NES roms to try with this emulator can be downloaded from here: http://www.pdroms.de/files/nes/

http://code.google.com/p/fceugc/

SNES9x GX is Super Nintendo Entertainment System / Super Famicom emulator based on SNES9x, ported to the Wii and GameCube. The GUI is powered by libwiigui.

Features:

Based on Snes9x 1.53
Wiimote, Nunchuk, Classic, and Gamecube controller support
SNES Superscope, Mouse, Justifier support
Cheat support
Auto Load/Save Game Snapshots and SRAM
Custom controller configurations
SD, USB, DVD, SMB, Zip, and 7z support
Autodetect PAL/NTSC
16:9 widescreen support
Open Source!

Changes:

* More accurate pixel scaling (thanks eke-eke!)
* Other minor changes

http://code.google.com/p/snes9x-gx/

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)

http://wiibrew.org/wiki/QRevPAK

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

Changes:

* Fixed YouTube search

http://wiibrew.org/wiki/WiiMC

Wire3D (Wii Independent Rendering Engine 3D) is an open source, object oriented, multiplatform 3D engine written in C++, supporting homebrew Wii and Windows (DirectX). It provides a framework to developers for writing platform agnostic 3D applications (including physics using the Bullet Physics library) that run on Wii and Windows out of the box.

http://wiibrew.org/wiki/Wire3D

Bolt Thrower is currently single player Space Shoot ‘Em Up. It is still work in progress!

Changes:

* music playback fix

http://wiibrew.org/wiki/BoltThrower

POWDER is a roguelike game, which is not a port of an existing roguelike. It is built around replayability and long term ergonomics, not short term learning. Author of this piece of software is Jeff Lait. POWDER Wii has been ported by insin.

Changes:

* True aim is now in the book of blades, so you can learn it without an extra skill book. (Robert Barber)
* Forgetting a spell while wielding a staff that imbues it will now properly fail. (Paul Strickland)
* Failing to forget no longer uses a turn.
* Unenchanted weapons and armor which you have found the enchantment of now report +0. (Mike Ratzlaff)
* Objects collapsing into meatballs now properly state if the result is multiple meatballs. (Nathan Bogue)
* Tutorial for signpost for kiwis now mentions the hostile tag on the look description. (Claudio)
* Signpost added to surace world. (SilverAnalyst)
* Someone to greet you on the surface world. (Andrew Walker)
* Unequippable item slots say No Item slot rather than Empty slot. Empty body slots report the appendage name (left hand, radula, etc) + and * by the god reports when praying lets you know how much they like your fashion sense. (hotpoo)
* Frogs have a bonus to attack vs insects. (Robert Barber)
* Silver and gold weapons will occasionally dull if used against non-vulnerable targets.
* Finally added the cute and cuddly triceratops!
* If you id the enchantment of an item by throwing it, now the stack you threw it from wil also be ided. (Mike Ratzlaff)
* Sleeping creatures have a visual indication. (Mike Ratzlaff)
* Swapping worn armor with wielded sword no longer causes you to wear the sword. (Mike Ratzlaff)
* Rolling boulder works on some monsters.
* Fix minor spelling errors (Gurkan Sengun)
* Full AI state was being cleared when nothing was edible rather than just the single edible bit. (Don Collins)
* Dipping nothing into a potion no longer crashes, provided you figured a way to do that in the first place. (Richard Quirk)
* Two or more equipped items with extra attacks now properly stack the chance of invoking the attacks, rather than jumping straight to a 99% chance. (Richard Quirk)
* One new room type.
* Mountain and Hills in Ibson The Grey’s tile-set are now in their correct positions.

http://wiibrew.org/wiki/Powder

Nwancat by Romano58 is basically Nyancat for Wii plus source code available.

Thanks to http://nintendomax.com/viewtopic.php?t=14120&f=54 and http://wiibrew.org/wiki/Nwancat for the news.

http://pouet.net/prod.php?which=58348

Lonesome Pixel by Aslai is a simple platformer game initially written for Ludum Dare 22. Now ported to Wii by it’s author.

http://wiibrew.org/wiki/Lonesome_Pixel

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 rumble support
* Added configurable aspect ratio
* Reduced font size of list file menu
* Utf8 font support

http://wiibrew.org/wiki/UAE_Wii