YaWMM DE is a good German Open-source modification of the Yet another WAD Manager Mod . With can be effectively uninstall WAD files or install several at once.
The German modification includes several new features, such as the IOS slot selection of channels and the HW_AHBPROT flag set. Also integrated is a nice GUI and the age restriction is deactivated.

In this revision only HW_AHBPROT have been removed bug that occurred in the absence of Wi-Fi connection.

Changelog rev2
* Fixed bug with HW_AHBPROT mode to offline.

YaWMM r2
Source- Wii-homebrew