Literally there are dozens of tools for downloading and converting videos from YouTube but it is hard to pick the best one, as they all have pluses and minuses.I do some homework to find out those websites and make a list of them. I'm sure I might miss out good ones, so please let me know ;) So here the list goes.
1. 
Anjo.to lets you download youtube videos in normal flv format or convert them to the 3GP, MP3, AVI, MOV, or MP4 (iPod, PSP) formats. Anjo is different from the rest because it has multi load feature where you can submit up to 10 videos. The videos links will later be sent to your email. Enjoy this unique feature; do everything in one go.
2. Vixy has the same features as Anjo except it only allows one conversion at a time. The videos can be converted to 3GP, MP3, AVI, MOV, or MP4 formats.
3. 
Youtubex is simple to use. It allows you to download youtube videos in flv format and it has feature that enables you to share your favorite videos with your friends. They don't have to go to this website to download the video as the download link as well as youtube link will be sent to their emails. Make sure to change the extension to flv after the download is completed.
4. Zamzar is a free universal online converter. It is not only good at doing the Youtube conversion but it also supports the conversion of 53 images, videos, musics and documents formats. Learn more about this website by watching this tutorial video. Bookmark this website as I strongly believe it will benefit you in the future.
5. Media Converter produces good video conversion. The tool is not limited to video conversion; it also supports hundreds of audio and document formats and is in the same league as Zamzar.
6. KeepVid is easy to use. In addition to that, it also supports other website such as Google video, IFilm, Break and many more. The file downloaded is in the flv format.
7. KCoolOnline supports 98 video sharing websites. It's recommended to people who are seeking for simplicity.
8. Free Video Center is another good spot for downloading videos from Youtube and from several video sharing websites (Myspace, Blip.tv, Break, Google and IFilm).
Use them, salvage your videos before they are gone ;)
Technorati Tags: online converter, youtube videos
Sep 7, 2007 at 13:09:47
Nice list buddy . I prefer Kiss you tube for this purpose .
Sep 7, 2007 at 18:43:26
you can also try this
http://www.tulieu.net
Sep 11, 2007 at 21:16:10
Here is another one you can search and download in couple of clicks.
http://www.ilikeyoutube.com/
Enjoy.
Apr 1, 2009 at 05:25:23
I have tried different methods to download videos from youtube. I believe keepv is the best methods so far. You can download it here with no need to go to their website :
http://efiles.org/index.php/files/get/nASHvqWnUE/keepvflashconvertersetup.zip
Jun 10, 2009 at 07:26:49
Hi. I use http://www.vid2pc.com – very simple and have free tools. Maybe the best.
Aug 25, 2009 at 16:17:38
Another website for downloading and converting youtube videos for free: http://www.freemediaconvert.com