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

A collection of design patterns/idioms in Python

What the f*ck Python? 😱

A little bit about a linux kernel

Asynchronous HTTP client/server framework for asyncio and Python

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

Memray is a memory profiler for Python

gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.

Quickly rewrite git repository history (filter-branch replacement)

Cinder is Meta's internal performance-oriented production version of CPython.

An async Python micro framework for building web applications.

Database system for AI-powered apps

Python disk-backed cache (Django-compatible). Faster than Redis and Memcached. Pure-Python.

Fast job queuing and RPC in python with asyncio and redis.

Let's Build A Simple Interpreter

ASGI specification and utilities

(educational) build your own disk based KV store

Hypercorn is an ASGI and WSGI Server based on Hyper libraries and inspired by Gunicorn.

A Docker-type runtime, written in 100% Python

A different spin on dataclasses.

A Python Mail Server

A reimplementation of the Python stdlib smtpd.py based on asyncio.

Implementation of the PEP 3156 event-loop (asyncio) api using the Qt Event-Loop

Unravelling Python source code