Master programming by recreating your favorite technologies from scratch.

From the Transistor to the Web Browser, a rough outline for a 12 week course

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

Learn how to apply composition principles in your work with React

React UI + elegant infrastructure for AI Copilots, AI chatbots, and in-app AI agents. The Agentic last-mile 🪁

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

Fully open reproduction of DeepSeek-R1

🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper. Don't be shy, join here: https://discord.gg/mEkkMXFG

CNN visualization

The magic behind https://elfhosted.com

🌸 A command-line fuzzy finder

n³ The unorthodox terminal file manager

Topic Modelling for Humans

SpiderFoot automates OSINT for threat intelligence and mapping your attack surface.

Open-source IEC nuclear fusion reactor: control, monitoring, and data logging system

Simple, unified interface to multiple Generative AI providers

Hyphenation for node and Polyfill for client-side hyphenation.

Prompt, run, edit, and deploy full-stack web applications using any LLM you want!

Truly independent web browser

LLM-powered multiagent persona simulation for imagination enhancement and business insights.

A high-quality tool for convert PDF to Markdown and JSON.一站式开源高质量数据提取工具，将PDF转换成Markdown和JSON格式。

Autonomous agents for everyone

A resources list that I use and I like

Repository to collect best practices for web images 🏞

A flexible playground for live editing React components

Real Debrid Manager

A self-hosted Real-Debrid webdav server you can use with Infuse. Together with rclone it can mount your Real-Debrid torrent library into your filesystem and load it to Plex or Jellyfin.

A type-safe typescript SQL query builder

Movie organizer/manager for usenet and torrent users.