Magic DVD Copier is a very easy and powerful DVD copy software, which can copy any DVD movie to blank DVD without any loss of quality, or compress a DVD9 movie to fit on a 4.7 GB DVD. You need only insert your DVD movie and a blank DVD then press Go, everything will happen automatically and complete within 20-60 minutes. You can then enjoy the new DVD on any PC or Home DVD Player.
Magic DVD Copier can also copy DVD movies to hard drive without any loss of quality. You can then enjoy them anytime without DVD discs.

Magic DVD Ripper is a powerful and easy-to-use DVD backup software. It can copy protected DVD to hard drive with 4 optional mode (disc fully, main movie, split DVD-9 into DVD-5, files). It can also convert DVD to VCD, SVCD and AVI(DivX) formats. You can enjoy them anytime without DVD discs, or burn them to blank discs by burning software. With optimized for Intel CPU, it provides fast ripping speed and wonderful output quality. It supports batch converting and has many settings that you can customize. It automatically detect DVD-ROM and select appropriate settings for beginner, so you can get started with just one click.

Koepi's XviD video codec. XviD is an ISO MPEG-4 compliant video codec. It's no product, it's an open source project which is developed and maintained by lots of people from all over the world.

MediaCoder is a free universal audio/video batch transcoder, putting together lots of excellent audio/video codecs and tools from the open source community into an all-in-one solution, capable of transcoding among different audio/video formats with many extra features.

DVDFab Gold/Platinum is very fast and easy-to-use DVD copy software. With just one click, you can copy any DVD to DVDR. DVDFab Platinum is all-in-one DVD copying/converting/burning software. In just one or two steps, you can copy any DVD to DVDR/PSP/iPod/PS3/Xbox 360/Zune/Mobile etc.

DVDStyler is a freeware DVD authoring System able to create menu screens, add buttons, set chapters and more.

Kantaris can play almost anything you can throw at it -- AVI, MPEG, MGEG-AVC, WMV, MOV, MKV, quicktime, matroska, divx, xvid, H264, MP3, WMA, OGG files and more. Kantaris can also play DVDs and audio CDs. The player also displays some of the most beautiful music visualizations ever seen. All this is completely free.