Cpp GitHub Repositories (2026) · Open Source Tools

PlayStation 3 emulator and debugger

A systematic modern C++ tutorial covering C++11-C++23, STL, concurrency, performance optimization, software engineering, embedded systems, networking, GUI, and real-world project practices.

Space exploration, trading, and combat game.

Sega Saturn emulator

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)

Play Morrowind in your browser — the OpenMW engine compiled to WebAssembly, now with multiplayer and a cloud locker for your own game data.

A modern formatting library

💻 Desktop sync client for Nextcloud

Real-time multi-physics simulation with an emphasis on medical simulation.

Open-source RAW photo processing and digital asset management software.

Native SDL3 port of Colin McRae Rally 2.0 built from the CMR2Decomp decompilation. No game data included.

Nimble Commander - dual-pane file manager for Mac

Yi3D: an open-source parametric 3D CAD application built in c++.

Remote desktop and file transfer tool.

static analysis of C/C++ code

ClickHouse® is a real-time analytics database management system

Understand your Git history!

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

A C++ library for simulating Rocket League games at maximum efficiency