A minimal OS implemented following "Operating system in 1000 lines of code"

Diagram generation for understanding codebases and system architecture using Nano Banana Pro.

A pure Python HTML5 parser that just works. No C extensions to compile. No system dependencies to install. No complex API to learn.

Multi-backend CLI for executable markdown prompts. Run .md files against Claude, Codex, Gemini, or Copilot.

A (TUI/CLI) markdown navigator with tree-based structural navigation.

Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.

All the UNIX and UNIX-Like: Linux, BSD, macOS, Illumos, 9front, and more.

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

RetroC64 SDK - Bringing modern .NET development to the legendary Commodore 64

Beads - A memory upgrade for your coding agent

Fil-C: completely compatible memory safety for C and C++

🚂 A small JS+SVG library for drawing railroad syntax diagrams, like on JSON.org. Now with a Python port!

A PEG parser generator for .NET that integrates with MSBuild and Visual Studio.

Prettier git diffs in the terminal 🎨

Source code behind the python-patterns.guide site by Brandon Rhodes

FFmpeg Assembly Language Lessons

Community-contributed instructions, prompts, and configurations to help you make the most of GitHub Copilot.

MCP Aggregator, Orchestrator, Middleware, Gateway in one docker

Virtual Machine for the Web

Master programming by recreating your favorite technologies from scratch.

Master the command line, in one page

ILGPU JIT Compiler for high-performance .Net GPU programs

Cross Beat (xbe.at) - Your hub for python, machine learning and AI tutorials. Explore Python tutorials, AI insights, and more.

We all edit.

dev tools, env vars, task runner

Collection of awesome LLM apps with AI Agents and RAG using OpenAI, Anthropic, Gemini and opensource models.

Shared serializers and models for Visual Studio solution files. Handles traditional .sln file and new .slnx file.

in case I forget one

GritQL is a query language for searching, linting, and modifying code.

🌐 Make websites accessible for AI agents. Automate tasks online with ease.