Cpp17 GitHub Repositories (2026) · Open Source Tools

A single file C++ header-only PEG (Parsing Expression Grammars) library

Lightweight Game Engine/Framework in C++17 with WYSIWYG Editor. Experimental C# bindings.

Modern C++ quantum computing library

Build voice and text devices for your Hermes Agent, with ESP32 firmware, a Linux client, and a desktop simulator.

Jinja2 C++ (and for C++) almost full-conformance template engine implementation

A modern framework for backend development based on io_uring Linux interface

Fast, convenient JSON serialization and parsing in C++

optional lite - A C++17-like optional, a nullable object for C++98, C++11 and later in a single-file header-only library

A C++ library to create desktop applications

any lite - A C++17-like any, a type-safe container for single values of any type for C++98, C++11 and later in a single-file header-only library

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

Otterbrix: computation framework for Semi-structured data processing

a declarative UI library for C/C++

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).

DART: Dynamic Animation and Robotics Toolkit