WiiSCU by Wack0 (mod of IOS51+shop by tona) – powered by PatchMii. The application gives you the option to install new versions of channels and IOSes without touching the system menu.
Changes:
Fixed the IOS60 stub issue by getting v6174 instead of the latest version.
AEP-Emu (DE/EN)
DMG Page (DE)
Indie Retro News (EN)
Retroguru (EN)