Program that performs any action on the computer through voice commands.
Graphical interface developed to facilitate the use of FFmpeg, a powerful and popular tool for multimedia conversion.
Media conversion software that makes it easy to convert video, audio, and image files between various formats.
Program to convert flash files (in FLV format).
Software that allows you to create, edit, and inspect video files in the Matroska (MKV) format.

Free and intuitive utility for converting videos for a multitude of devices.