Cpp GitHub Repositories (2026) · Open Source Tools

A simple and powerful entity component system (ECS) written in C++17

C++20 coroutine library

Minimal C++20 STL replacement library. Simpler, smaller, and in many cases faster.

Native Windows PC port of God of War (PS2), built by statically recompiling MIPS R5900 code to C++ with PS2Recomp. Includes an installer launcher, one-click build, fan-translation support and a 60 fps target. No game files included: you need your own copy.

Performance-portable geometric search library

From PyTorch model to end-to-end TensorRT inference experience in two commands—AI-native, cross-platform, and built for the best possible user experience.

The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines

Fast and lightweight Continuous Integration

Distributed C++ services from embedded to enterprise

RocketMQ Clients - Collection of Client Bindings for Apache RocketMQ

oneAPI Data Analytics Library (oneDAL)

A library to train, evaluate, interpret, and productionize decision forest models such as Random Forest and Gradient Boosted Decision Trees.

CodeForces Algorithms

Running any GGUF SLMs/LLMs locally, on-device in Android

Dear ImGui apps made simple: desktop, mobile, and web from one codebase. Minimal code. Maximally readable.

U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).

C++ and Python support for the CUDA Quantum programming model for heterogeneous quantum-classical workflows

scanf for modern C++

SAKURA Editor (Japanese text editor for MS Windows)

Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.