official-stockfish/Stockfish

A free and strong UCI chess engine

doitsujin/dxvk

Vulkan-based implementation of D3D8, 9, 10 and 11 for Linux / Wine

microsoft/foundry-local

amnezia-vpn/amnezia-client

Amnezia VPN Client (Desktop+Mobile)

ocornut/imgui

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

openscad/openscad

OpenSCAD - The Programmers Solid 3D CAD Modeller

LizardByte/Sunshine

Self-hosted game stream host for Moonlight.

chriskohlhoff/asio

Asio C++ Library

shader-slang/slang

Making it easier to work with shaders

SerenityOS/serenity

The Serenity Operating System 🐞

allenk/GeminiWatermarkTool

VEO / Gemini 3.5 Nano Banana Pro watermark maintenance tool

jrouwe/JoltPhysics

A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.

meshtastic/firmware

The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

catchorg/Catch2

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

LibreCAD/LibreCAD

LibreCAD is a cross-platform 2D CAD program. It can read DXF/DWG, and write DXF/DWG/PDF/SVG files. It supports point/line/circle/ellipse/parabola/hyperbola/spline primitives. The GUI is highly customizable, and has dozens of translations.

azerothcore/azerothcore-wotlk

Complete Open Source and Modular solution for MMO

ggml-org/llama.cpp

LLM inference in C/C++

tensorflow/tensorflow

An Open Source Machine Learning Framework for Everyone

lballabio/QuantLib

The QuantLib C++ library