HandBrake uses many cool libraries from the GNU/Linux world. We thank them and their authors.
- [libass](https://github.com/libass/libass)
-- [libavcodec](https://libav.org/)
+- [ffmpeg](https://ffmpeg.org/)
- [libbluray](https://www.videolan.org/developers/libbluray.html)
- [libbzip2](http://bzip.org/)
- [libdvdnav](https://dvdnav.mplayerhq.hu/)
- [libx265](http://x265.org/)
- [libxml2](http://xmlsoft.org/)
- [libzlib](http://zlib.net/)
+- [libspeex](https://www.speex.org/)
## Services and Software