TubeQueue is a .NET based YouTube video downloader and video converter. It uses ffmpeg for video and audio conversion. It is unique in that it uses the concept of video conversion queuing, which essentially enables you to apply any combination of video conversions to any combination of videos downloads directly from YouTube. The built-in search allows for batch searching of playlists, subscriptions, favorites, uploads of a particular user, and general videos (example usage: downloading a 10...