MeGUI!

HandBrake is an open-source, multithreaded video transcoder- it converts digital media from one format to another, compressing the files in the process. Handbrake can rip encrypted DVDs with libdvdcss (libdvdcss is installed with VLC media player on Mac OS X, or AnyDVD/DVD 43 on Windows).

Freemake Video Converter is video converter that lets convert videos to avi, wmv, mp4 (iPhone, iPod, iPad, PSP, xBox), 3gp, rip dvd, extract mp3, burn DVD and Bluray, create photo slideshow and audio visualization, cut, join, rotate and upload videos, photos and music to YouTube.

Format Factory is a multifunctional media converter and DVD ripper. It will convert (and compress):

VidCoder is a DVD/Blu-ray ripping and video transcoding application for Windows. It uses HandBrake as its encoding engine.

MediaCoder is a free universal batch media transcoder, which nicely integrates most popular audio/video codecs and tools into an all-in-one solution. With a flexible and extendable architecture, new codecs and tools are added in constantly as well as supports for new devices.

Multiformat video encoding application.

SUPER © Simplified Universal Player Encoder & Renderer. A GUI to FFmpeg, MEncoder, MPlayer, x264, mppenc, ffmpeg2theora & the theora/vorbis RealProducer plugIn.If you need a simple, yet very efficient tool to convert (encode) or play any Multimedia file,without reading manuals or spending long hours training, then SUPER © is all you need. It is a Multimedia Encoder and a Multimedia Player, easy-to-use with 1 simple click.

QWinFF is a GUI for FFmpeg, a powerful command-line media converter. FFmpeg can read audio and video files in various formats and convert them into other formats. QWinFF provides an intuitive graphical interface and a rich set of presets to help you use ffmpeg easily without having to type a single command. Advanced users can also adjust conversion parameters like bitrate and sample rate in detail.

AnvSoft Any Video Converter is the most renowned video converter for converting video files between various formats, with fast converting speed and excellent video quality.It can clip any segments and optionally merge and sort them to make a creative movie. And even more, Any Video Converter can crop frame size to remove any unwanted area in the frame just like a pair of smart scissors. Additionally, it gives you the ability to burn videos to DVD-R/RW, DVD+R/RW disc. It also adds the MP4 Faststart option to play back mp4 video in the stream way. »

Video conversion tool to convert a video link or file to various formats.

ConvertXtoDVD is an easy-to-use, 'one-click' video conversion application to convert and burn any video file to DVD, such as AVI (DivX, XviD), MKV (H.264 AVC), WMV, MPEG, MOV, YouTube (flash) videos and many more.

MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a sibling of MPlayer , and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs.

Wondershare Video Converter Ultimate is an all-in-one DVD & Video converter tool and DVD burner for assisting you to convert videos/audios among formats like AVI, WMV, MP4, MKV, FLV, 3GP, MPG etc. even convert video to 3D, burn video files to DVD disc, DVD folder, or ISO files, download or record videos from YouTube, Google, Yahoo, Myspace, CNN and other video-sharing sites, rip DVD movies to any video, for playback on devices. The program offers some default settings for iPhone/iPad/iPod/PSP/HTC, Windows Media Player/Movie Maker and other popular devices and apps. »