YouTube Go is a new official app that will allow users to not only enjoy downloaded YouTube content but also share it without using up any data. The new app will roll out in the coming months.
Download video RSS
Orbit Downloader is a download manager specifically designed for the new generation Web (Web 2.0). You can use Orbit to download video/music/files from Myspace, YouTube, Imeem, Pandora, and Rapidshare