A collective list of free APIs

📚 Freely available programming books

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

Robust Speech Recognition via Large-Scale Weak Supervision

The Web framework for perfectionists with deadlines.

A high-throughput and memory-efficient inference and serving engine for LLMs

Get your documents ready for gen AI

Free, open source crypto trading bot

Build Real-Time Knowledge Graphs for AI Agents

A high-performance, zero-overhead, extensible Python compiler with built-in NumPy support

Proxy server to bypass Cloudflare protection

Scapy: the Python-based interactive packet manipulation program & library.

Chia blockchain python implementation (full node, farmer, harvester, timelord, and wallet)

The leading native Python SSHv2 protocol library.

Multi-user anti-filtering panel, with an effortless installation and supporting more than 20 protocols to circumvent filtering plus the telegram proxy.

The LBRY SDK for building decentralized, censorship resistant, monetized digital content apps.

Official Implementation of OCR-free Document Understanding Transformer (Donut) and Synthetic Document Generator (SynthDoG), ECCV 2022

A python interface for interacting with the Ethereum blockchain and ecosystem.

A Python native, OS native GUI toolkit.

WebRTC and ORTC implementation for Python using asyncio

A tiny script to issue and renew TLS certs from Let's Encrypt

[NeurIPS 2025] SpatialLM: Training Large Language Models for Structured Indoor Modeling

State-of-the-art deep learning based audio codec supporting both mono 24 kHz audio and stereo 48 kHz audio.

Symbolic execution tool

Representation learning on large graphs using stochastic graph convolutions.

A Python implementation of the Ethereum Virtual Machine

QUIC and HTTP/3 implementation in Python

Clubhouse API written in Python. Standalone client included. For reference and education purposes only.

A DHT in Python using asyncio