MEncoder is a free command line transcoding tool released under the GNU General Public License.
License: Open Source
SUPER (Simplified Universal Player Encoder & Recoder) is a closed-source adware front-end for open-source software video players and encoders provided by the FFmpeg, MEncoder, MPlayer, x264, ffmpeg2theora, musepack, Monkeys Audio, True Audio, WavPack, libavcodec, etc. Developed by eRightSoft
License: Free
SUPER © is a user-friendly multimedia converter with a focus on ease of use and high-quality output, while MEncoder is an open-source tool that offers extensive customization and is ideal for advanced users who prefer command-line operations.