NoVirusThanks YouTube Video Downloader
http://www.novirusthanks.org/

Changelog:

[22-05-2012] v1.4.0.0

+ Added support for Facebook videos (facebook.com/video/video.php?v=)
+ By default the option "Open videos path when the download is finished" is enabled
+ Added new language: Chinese Traditional
+ Added new language: Russian
+ Added new language: Swedish
+ Added new language: Portugus
+ All text can now be translated


[22-02-2012] v1.3.0.0

+ Added convert video to Flash Video (FLV)
+ Added convert video to SVCD (MPEG2) (NTSC)
+ Added convert video to SVCD (MPEG2) (PAL)
+ Added convert video to VCD (MPEG) (NTSC)
+ Added convert video to VCD (MPEG) (PAL)
+ Minor GUI optimizations
+ Updated language files


[20-02-2012] v1.2.0.0

+ Added support for youtu.be
+ Added support to convert videos after download
+ Added convert video to Cell Phone (H.263 3GP) (176x144)
+ Added convert video to DVD Video MPEG (NTSC)
+ Added convert video to DVD Video MPEG (NTSC) (16:9)
+ Added convert video to DVD Video MPEG (PAL)
+ Added convert video to DVD Video MPEG (PAL) (16:9)
+ Added convert video to Iphone Video (MPEG-4 MP4) (480x320)
+ Added convert video to Ipod Video (Apple QuickTime MOV) (320x240)
+ Added convert video to MPEG Audio Layer 3 (MP3)
+ Added convert video to PSP Video (H.264 MP4) (320x240)
+ Added convert video to Waveform Audio File (WAV)
+ Added convert video to Windows Media Video (V.7 WMV)
+ Added convert video to XVid Video (AVI)
+ Conversions are done taking care of video and audio quality
+ Added new tab "Converter" to convert a video to a different format
+ Updated language files


[10-02-2012] v1.1.0.0

+ Added support to download videos from Blip.tv
+ Added support to download videos from DailyMotion
+ Added support to download videos from Vimeo
+ Added support to download videos from Metacafe


[01-02-2012] v1.0.0.0

+ Initial release