C++ Insights - See your source code with the eyes of a compiler

Header-only TOML config file parser and serializer for C++17.

A new 3D game engine for Linux and Windows using C++20 and Vulkan API 1.3, in very early but ongoing development

Free open-source modern C++17 / C++20 framework to create console, GUI (forms like WinForms) and unit test applications and libraries on Microsoft Windows, Apple macOS and Linux.

Range-based goodness for C++17

A minimalist single-header library for building pattern-matchers, lexers, and parsers.

A C++20 header-only library that supports powerful reflection for C++

Munt is a witness-secured decentralized network for payments, digital assets, finance and more

C++20 Dynamic Reflection Library

Electra is an esolang where you code like an electrician.

Geometric Algebra Library

Structure-of-array synthesis in C++20

Various documents and code related to proposals for WG21

Assorted compression formats for the Sega Mega Drive

TeaScript C++ Library - embedded scripting language for C++ Applications

Orkid Media Engine (C++/Lua/Python3/Linux/MacOs/OpenVR)

Custom engine based on OpenXRay engine. Global mod for S.T.A.L.K.E.R. - Call of Pripyat.

async io-uring based kernel io library

This is a C++ math library, with a focus on geometry.

A C++20 array / expression template library with some J/APL features