VideoDL

VideoDL is an Ajax application that allows you to download online videos on your computer. VideoDL supports YouTube, Google Video and Break.com. In order to download the videos you like, you simply need to copy the link of the page with video and paste it into the textbox. Then, click "Get It!" and follow the instruction. After you have saved the files into your hard drive, make sure the extension of the file is .flv. VideoDL is free to use. Link: http://www.videodl.org/

Vixy

Vixy is a website that lets you download videos from popular sites and allows you to convert the m into various video formats (including iPod and PSP). You simply need to enter the URL of the video and Vixy will do the rest. This service is open source and developers interested in making changes to it can freely download the source code. Vixy is completely free to use. Link: http://vixy.net/

KeepVid

KeepVid is a site that allows you to download videos from many video sharing sites, including YouTube, Google Video, DailyMotion, Blip.tv, Revver and other popular sites. Remember that once the video is downloaded on your computer, you will have to add the .flv extension manually. KeepVid is free to use. Link: http://keepvid.com/

VideoDownloader

VideoDownloader is a site that supports a great list of video sharing sites and more importantly, it's also available as a Firefox extension, allowing you to seamlessly integrate it within your browser. Like similar web services, all downloaded videos are in .flv format; therefore, you will need to use a video converter in order to watch the video (unless your video player doesn't support .flv). VideoDownloader is completely free to use. Link: http://javimoya.com/blog/youtube_en.php


YouTubeX

YouTubeX is a site that lets you download videos from YouTube. It doesn't have a lot of options in terms of video sites among which you could choose, but in its simplicity it works fine. It also enables you to share the YouTube video with your friends via e-mail. All the downloaded files are called "get_video", and you will have to add the .flv extension manually. Completely free to use. Link: http://www.youtubex.com/


DownThisVideo

DownThisVideo is a website that lets you download videos from YouTube, GoogleVideo, MetaCafe, Vimeo and other services. You simply have to paste the link in the search box and the service will do all the work for you. Please note that AVI and MP4 formats are allowed for Google Video only. DownThisVideo is free to use. Link: http://downthisvideo.com/


KissYouTube

KissYouTube is a service that provides two interesting ways to download videos from YouTube. The first is to go on the page where the video is located and add the word "kiss" in front of the youtube.com domain name; once you press Enter, the browser will bring you to the KissYouTube site, where you will be able to download the video. Alternatively, you can simply go on the KissYouTube website, enter the URL of the video and push "Get it". The video will be downloaded in .flv format. Free to use.

Link: http://www.kissyoutube.com/


YouTubeDownloads

YouTubeDownloads is an interesting service that lets you download videos from YouTube (other sites are not supported). Once you enter the link to the video you want to download, you will be able to save it as a .flv file. You will need to use a video player that supports this file format in order to be able to watch it. YouTubeDownloads is completely free to use. Link: http://www.downloadandsaveyoutubevideos.info/

YouTubia

YouTubia.com is a YouTube clone that lets you download and save YouTube videos within your IE or Firefox browser. YouTube videos are downloaded in the new .flv (flash video) format, and you will need a .flv Player to watch them. You might have to rename the file extension of the downloaded video file to be ".flv" before you can play it. Free to use. Link: http://www.youtubia.com/


Kcoolonline

Kcoolonline is a site that lets you download videos on your hard disk from more than 90 sites, including YouTube, Google Video, Metacafe, iFilm and MySpace, Yahoo and many more. Some time file comes with name "get_video"; in those occasions, you need to rename it and add the .flv extension. Kcoolonline is completely free to use. Link: http://www.kcoolonline.com/


MediaConverter

MediaConverter is a platform that lets you download and convert videos straight from YouTube. Among the supported file formats there are .avi, .flv, .mov, 3GP and many others. MediaConverter also enables you to upload your own videos and convert them easily. MediaConverter is completely free to use. Link: http://www.mediaconverter.org/