freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

A list of Free Software network services and web applications which can be hosted on your own servers

Linux kernel source tree

🎓 Path to a free self-taught education in Computer Science!

LLM inference in C/C++

The world’s fastest framework for building websites.

simple terminal UI for git commands

Ghidra is a software reverse engineering (SRE) framework

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

🚀 Awesome list of open source applications for macOS. https://t.me/s/opensourcemacosapps

Universal markup converter

Full stack, modern web application template. Using FastAPI, React, SQLModel, PostgreSQL, Docker, GitHub Actions, automatic HTTPS and more.

The official Vim repository

🌺 Minimalist Vim Plugin Manager

Virtual machines for iOS and macOS

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

Compatibility tool for Steam Play based on Wine and additional components

Use your macOS terminal shell to do awesome things.

Algorithms and data structures in Swift, with explanations!

🧛🏻‍♂️ One theme. All platforms.

Run macOS on QEMU/KVM. With OpenCore + Monterey + Ventura + Sonoma support now! Only commercial (paid) support is available now to avoid spammy issues. No Mac system is required.

Peer-to-peer hypermedia protocol

Cross-platform Rust rewrite of the GNU coreutils

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

JDK main-line development https://openjdk.org/projects/jdk

📝 CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

Command & Conquer: Remastered Collection

A modular configuration of Vim and Neovim

Make beautiful isometric infrastructure diagrams