Top C++ GitHub Repositories (2026) · Open Source Projects

Modern MVVM framework on the C++23 baseline — cross-platform, layered, coroutine-first. Reactive DAG (Property/Computed/Effect), Task<T>, and pluggable adapters (Continuo-powered HTTP).

God of War Sons of Sparta Native on Windows

Native PC port of God of War (PS2) via static recompilation with PS2Recomp

SuperTux source code

AntiHunter Perimeter Defense Systems - DIGI Node Firmware

SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay and FunCube

An open-weight 11B model series for long-form and real-time video understanding

A modern, open-source BitTorrent client focused on privacy, performance, and clarity. No ads, no telemetry.

Emulator that can run 32-bit Windows programs/games on multiple platforms via Wine

PDF4QT is an open-source PDF toolkit for Windows and Linux, combining powerful desktop applications, command-line tools and a modern MIT-licensed C++/Qt PDF engine.

A powerful utility for Among Us designed to enrich your game experience with custom features!

Groki Bot desktop robot (M5Stack CoreS3): firmware, a voice and MCP gateway for your computer, and a hand-off to Grok Bot agents

Universal wireless communication library for embedded devices

Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs OpenGL, Direct3D, Vulkan, and Metal

Complete Unreal Engine development toolkit exposed as MCP tools.

Production-ready C++ Asynchronous Framework with rich functionality

Public development project of the LAMMPS MD software package

Estacado: a native PC recompilation of The Darkness (Xbox 360). Unofficial fan port; bring your own copy of the game.

Plugins to make or improve widescreen resolutions support in games, add more features and fix bugs.

Cloud-native high-performance edge/middle/service proxy