The WAD Manager (un)installs packages called WADs. Things such as Wii Ware games, VC games, Wii channels, hidden channels and other updates come in these WAD packages.
WAD manager the latest version is 1.9 download now 2019 through the link provided:
See also:
Disclaimer: WAD Manager is also used to load pirated copies of WADs, but this practice is illegal and not the intention of the software.
Wii Homebrew 