pip install casuarius==1.1

Cython bindings for the Cassowary constraint solver.

Source
Among fairly niche packages on PyPI.
Over 466 downloads in the last 90 days.

Commonly used with casuarius

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

enaml

Declarative DSL for building rich user interfaces in Python

atom

Memory efficient Python objects

DataShape

A data description language.

chaco

interactive 2-dimensional plotting

enable

low-level drawing and interaction

llvmpy

Python bindings for LLVM

pykit

IR optimizer and lowerer

binstar

Binstar command line client library

blz

blz: a compressed data container

easydev

Common utilities to ease the development of Python packages

runipy

Run IPython notebooks from the command line

PypeR

A python interface to R lanugage

cubes

Lightweight framework for Online Analytical Processing (OLAP) and multidimensional analysis

envisage

Extensible application framework

traitsui

traitsui: traits-capable user interfaces

pyface

traits-capable windowing framework

bioservices

Access to Biological Web Services from Python

khmer

khmer k-mer counting library

peasoup

Common tools for application deployment!

Version usage of casuarius

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

1.0b1

39.91%

1.1

34.98%

1.0

25.11%