pip install Cython==3.0.0a9

The Cython compiler for writing C extensions for the Python language.

Source
Among top 100 packages on PyPI.
Over 63.8M downloads in the last 90 days.

Commonly used with Cython

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

numba

compiling Python code using LLVM

toolz

List processing tools and functional utilities

tables

Hierarchical datasets for Python

sympy

Computer algebra system (CAS) in Python

astropy

Astronomy and astrophysics core library

numexpr

Fast numerical expression evaluator for NumPy

dask

Parallel PyData with Task Scheduling

scikit-image

Image processing in Python

patsy

A Python package for describing statistical models and for building design matrices.

Orange3

Orange, a component-based data mining framework.

llvmlite

lightweight wrapper around basic LLVM functionality

cloudpickle

Extended pickling support for Python objects

conda-build

tools for building conda packages

bitarray

efficient arrays of booleans -- C extension

conda

OS-agnostic, system-level binary package manager.

cytoolz

Cython implementation of Toolz: High performance functional utilities

multipledispatch

Multiple dispatch

Bottleneck

Fast NumPy array functions written in C

blaze

Blaze

Version usage of Cython

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

0.29.24

75.54%

3.0.0a9

7.06%

0.29.21

3.19%

0.29.19

2.83%

0.29.17

2.14%

0.29.14

1.85%

0.29.22

1.02%