These are the ones that seem to be the best currently. Does anyone have anything else? (Using the Downloader app)
Streamfire - 2396773 Sportsfire - 4585605 OnStream - 597576 SmartTube (YT w/o ads) - 28544 Anime- anilab.to
Projectivity Launcher to get away from that ad-ridden disaster that is the stock Google TV launcher.
tvQuickActions to remap the buttons on your remote.
atvTools (on your phone) for easy file management, file transfers, app installs, bloatware disabling, remote control and other miscellaneous ADB Shell goodies.