TuneTech for iPod™ versions

Transfer files between iPod, iPhone and Mac, convert DVD, movies, music to iPod video and audio.

Free

Free Mac DVD ripper to rip DVD to iPod touch 4, iPod Nano, iPod Classic quickly.

Transfer iPod files to Mac, iPod to iTunes and transfer files on Mac to iPod?

Copy iPod files to Mac, and upload songs/videos/photos from Mac to iPod.

It can transfer iPod data to Mac with high speed.