music21 | Python Package Wiki

Based on how often these packages appear together in public requirements.txt files on GitHub.

grizzled-python	The Grizzled Python Utility Library
imread	imread: Image reading library
dclab	Library for real-time deformability cytometry (RT-DC)
npm	Python bindings and utils for npm.
sonnet	UNKNOWN
skimage	Dummy package that points to scikit-image
mahotas	Mahotas: Computer Vision Library
cudnn-python-wrappers	Python wrappers for the NVIDIA cudnn 6.5 R2 libraries.
pymunk	Pymunk is a easy-to-use pythonic 2d physics library
Optunity	Optimization routines for hyperparameter tuning.
sharedmem	Dispatch your trivially parallizable jobs with sharedmem.
imutils	A series of convenience functions to make basic image processing functions such as translation, rotation, resizing, skeletonization, displaying Matplotlib images, sorting contours, detecting edges, and much more easier with OpenCV and both Python 2.7 and Python 3.
jicbioimage.core	Python package designed to make it easy to work with bio images.
APNSWrapper	This is wrapper for Apple Push Notification Service.
astro-gala	Galactic dynamics in Python
PyBrain	PyBrain is the swiss army knife for neural networking.
ale-python-interface	Arcade Learning Environment Python Interface
astropy-helpers	Utilities for building and installing packages in the Astropy ecosystem
MEAutility	Python package for multi-electrode array (MEA) handling and stimulation.

Proportion of downloaded versions in the last 3 months (only versions over 1%).

pip install music21==7.1.0