Mrio is an open source video aggregator that allows you to subscribe to a Hulu series, download YouTube videos in HD, or play almost any video file.
Hamster Video Converter converts any video to the appropriate format for iPod, Blackberry, Zune, or one of many more devices.
Free FLV Converter searches YouTube and additional video websites, downloads a video, and converts it to a desired format.
xVideoServiceThief downloads and converts videos from YouTube, Google Videos, and more.
DownThisVideo! lets you download videos directly from YouTube.
Handbrake is a popular video transcoder.
Keep-Tube allows you to download a video from YouTube.
Avidemux is a free video editor.
KeepVid lets you download videos directly from a YouTube URL into a MP4, FLV, or 3GP file.
VLC Media Player is an open source program that can play almost any audio or video file. It also plays DVDs.
