HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.
Total Video Converter - Total Video Converter, free and safe download. Total Video Converter latest version: Video converter for just about anything!. Total Video Converter is a multi-format video converter, editor and player.
dmMediaConverter - FFmpeg GUI
Prism Video Converter - Prism Video Converter is a simple and easy2use converter for converting all audio and video formats including MP4, AVI, MPEG, MOV, FLV and tons of others.
Format Factory - Format Factory is software that allows the user to convert media into various file formats. The software is a product of PC Free Time, a Chinese software development company. Read more about Format Factory.
FFQueue - FFQueue is a FREE and comprehensive GUI for the FFMpeg command line encoder: Convert audio and video from everything to everything!