- [FFmpeg](https://www.ffmpeg.org/)
- Open source
- For handling multimedia files and streams
- GPL/LGPS license
- Inspired by MPEG(Moving Picture Experts Group), FF means "Fast Foward"
- Libraries
    - libavcodec: Contain all the encoders and decoders
    - libavformat: Muxers and demuxers
    - libavfilter: Filters that you can use on your video and audio according to your requirements
    - libavdevice: Input and output devices
    - libavutil
    - libswscale
    - libswresample
- Tools
    - ffmpeg: Main transcoding engine
    - ffplay: Minimum tool to play a video or audio
    - ffprobe: For inspecting medias and extract valuable information