MediaToolkit is licensed under the MIT license (https://github.com/AydinAdn/MediaToolkit/blob/master/LICENSE.md).

MediaToolkit makes use of FFmpeg(http://ffmpeg.org) which is licensed under the LGPLv2.1(http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html). It's source can be downloaded ere(https://github.com/AydinAdn/MediaToolkit/tree/master/FFMpeg%20src)