Projects using libass

The following projects/companies use libass:

• MPlayer
• mplayer2
• mpv
• VLC
• GStreamer (assrender plugin)
• FFmpeg
  • Libav (unmaintained)
• Aegisub
• Kodi (XBMC)
• avidemux
• ass2bdnxml (BD subtitle encoder)
• HandBrake
• MX Player
• QMPlay2
• SubtitlesOctopus (JavaScript ASS via wasm libass)
  • Crunchyroll uses SubtitlesOctopus
• AssRender for Avisynth(+)
  • VapourSynth version (with additional parameters)
• VapourSynth’s subtext