PyPy is a very fast and compliant implementation of the Python language.

The most widely used Python to C compiler

Unsynchronize asyncio

A community based Python library for quantitative economics

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

All Algorithms implemented in Python

Literate scientific computing and communication for the web

Compile type annotated Python to fast C extensions

Python GUIs for Humans! PySimpleGUI is the top-rated Python application development environment. Launched in 2018 and actively developed, maintained, and supported in 2024. Transforms tkinter, Qt, …

"C++ for Python developers"

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.