WiiXplorer is a multi-device file explorer for the Wii by Dimok using graphics by NeoRame and a customized libwiigui as base for the GUI. It has several additional features to execute various of filetypes like on an actual explorer.

Features:

* USB2 support with IOS58 or IOS202 installed
* SMB/USB/SD/DVD recursive copy/move/delete of files/directories with all files in it
* FAT/NTFS/EXT2/EXT3/EXT4 files systems support
* GUID Partition Table (GPT) support
* Rename files/directories
* Properties of files/directories
* Browse through SD/USB/SMB/DVD/WiiDisk
* Addressbar with path
* Multilanguage with custom font support
* Boot .dol/.elf files
* Playback Wii/GC Game Videos
* Stylish Music Player
* Open TXT/XML/MP3/OGG/WAV/BNS/AIFF files
* Supported Image Formats: PNG/JPEG/GIF/BMP/TPL/TGA/TIFF/GD/GD2
* Imageoperations zoom/slideshow
* Image converter which converts the supported formats to: PNG/JPEG/GIF/BMP/TIFF/GD/GD2
* Screenshot support at any point of the app in different formats
* ZIP/7zip/RAR/BNR/U8Archive/RARC browsing and decompressing
* Properties of archive files
* Add files/directories to a ZIP or create new ZIP files
* Textediting support
* PDF Viewing support
* Format SD/USB primary/logical partitions to FAT32
* Integrated FTP Server and FTP Client
* MD5 Calculator and Logger
* Start BootMii
* Auto-Update feature

https://code.google.com/p/wiixplorer/