1)   E.M. Youtube Video Download Tool 2.63
Download, Convert, Burn, Search, Repair and play any Youtube video and Capture RTMP video Streams.

 2)   Free YouTube to iPhone Converter 2.11.15
Free YouTube to iPhone Converter is a usable tool to download all possible YouTube videos to iPhone. The program combines simplicity of usage as well as advanced downloading features which you can set as you like. It contains no spyware or adware.

 3)   Lenogo Youtube Video to iPhone Transfer 2.0
Transferring YouTube/Google Videos to Your iPhone.

 4)   Free FLV to iPhone Converter 2.1.0.0
Free FLV to iPhone Converter also can convert FLV to videos that can be played not only on iPhone but also on iPod ,iPod touch, iPod Nano, Apple TV, MP4 Player, MP3 Player and PC.

 5)   Moyea YouTube to iPhone Converter 1.0
Moyea YouTube to iPhone Converter is a one-stop express way from YouTube videos (Flash video/FLV) to iPhone compatible MP4 format. It can also extract the audio and convert to MP3, WMA, M4A, and AAC for your iPhone.