lxml
fonttools[ufo]
fontPens
more-itertools
easing-functions
timecode
mido
numpy
defcon
docutils
freetype-py
uharfbuzz>=0.14.0
unicodedata2
ufo2ft
python-bidi
more-itertools

[c]
srt
noise

[experimental]
pynput
pyaudio
rtmidi
noise

[skia]
skia-python>=86.0

[viewer]
glfw
PyOpenGL
PyOpenGL-accelerate
skia-python>=86.0
skia-pathops
SimpleWebSocketServer
watchdog<2.0.0
noise

[webviewer]
SimpleWebSocketServer
watchdog<2.0.0
