Tubulator is a YouTube browser and video download tool. In addition to offering downloads of YouTube video and audio/music, Tubulator lets you browse YouTube in a way similar to the YouTube website. Search for keywords, and Tubulator gives you the search results. Browse related videos and user channel uploads/favorites - all available via a user interface not much different from your normal web browser.
Tubulator lets you download video and music from YouTube for free while it’s in Beta stage.