c-extension topic
fastnumbers
Super-fast and clean conversions to numbers for Python.
rucaptcha
Captcha Gem for Rails, which generates captcha image by Rust.
scikit-build
Improved build system generator for CPython C, C++, Cython and Fortran extensions
pykafka
Apache Kafka client for Python; high-level & low-level consumer/producer, with great performance.
bottleneck
Fast NumPy array functions written in C
rubex
rubex - A Ruby-like language for writing Ruby C extensions.
python-packaging-tutorial
Tutorial on python packaging
python-whirlpool
Python wrapper extension for C Whirlpool digest reference implementation.
string-dist
A Python library for calculating string distances using C extensions (with a pure Python fallback)