EndlessVideo - Loop YouTube video / Split & repeat partial YouTube videos
TubeChop - Chop YouTube Videos
YouSub -Extract subtitles from youtube video,Download italian,french,greek english subtitle for TV-Series like NCIS,Smallville,Fringe,House,Grey's Anatomy and much more!
Peggo - Record beautiful MP3s from YouTube
Easy YouTube caption creator | Accessibility tools, web developer tools, wizards and markup generators | Accessify