Terminal Tetris built with pure Node.js. Lightweight, cross-platform, no dependencies 🎮

opensimulator

calculadora

Some tools collected from internet for learning masm.

Headless CLI client for stateful Agent Client Protocol (ACP) sessions

✉️ High-Frequency Python execution engine orchestrating scalable SMTP automation pipelines.

N64 Video Player For Flash Carts

Open source library for N64 development.

Super Mario Galaxy 1 decompilation.

A decompilation of Super Smash Bros Melee brought to you by a bunch of clever folks.

Hunt for CPython JIT bugs by running real-world test suites

Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.

Ministack: Free, open-source local AWS emulator - 40+ services, Terraform compatible, real databases. Free forever. MIT licensed.

Glide/DirectX implementation on D3D11/12

Put up to 8 AI models on every coding task — blind spots surface before you ship. Claude Code plugin.

Learn it. Build it. Ship it for others.

Library for arbitrary precision arithmetic and computation

Architecture, patterns & internals of Anthropic's AI coding agent — reverse-engineered from source maps

A lightweight, feature-rich dock for Linux written in Python with GTK 3 and Cairo

Tiny programmer sitting on your desk and trying its best.

A DOOM engine implemented in CSS

A small Raylib C++ template that uses CMake, LDtk, and Box2d

🧩 The Ultimate Toolkit for Generating Type-Safe API Clients, Hooks, and Validators.

John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

Voxel Game Engine

Train a tiny GPT on emoji stories and watch it generate new ones token by token — all in your browser

Anthropic's educational courses

Sega Master System emulator for the pandora