Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.

A library for drawing simple shapes

GZDoom's music system as a standalone library

RmlUi - The HTML/CSS User Interface library evolved

Modular node graph based noise generation library using SIMD, C++17 and templates

Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more

A fast entity component system (ECS) for C & C++

SVG rendering and manipulation library in C++

Build engine port backed by GZDoom tech. Currently supports Duke Nukem 3D, Blood, Shadow Warrior, Redneck Rampage and Powerslave/Exhumed.

A dbg(…) macro for C++

SQLiteC++ (SQLiteCpp) is a smart and easy to use C++ SQLite3 wrapper.

A modern formatting library

wxlua: Lua bindings for wxWidgets cross-platform GUI toolkit; supports Lua 5.1, 5.2, 5.3, 5.4, LuaJIT and wxWidgets 3.x

Object-orientation for Lua

A C++ configurable Expression Parser. Useful as a Calculator or for helping you write your own Programming Language

Multi-channel signed distance field generator

Extensive tutorial and documentation about C++

Sol3 (sol2 v3.0) - a C++ <-> Lua API wrapper with advanced features and top notch performance - is here, and it's great! Documentation:

Lightweight profiler library for c++

It's a Doom editor

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

C++ Library Manager for Windows, Linux, and MacOS

C++ SIMD Noise Library

Fast Portable Noise Library - C# C++ C Java HLSL GLSL JavaScript Rust Go

Cross-Platform C++ GUI Library

The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++

Simple and Fast Multimedia Library

[Semi unmaintained] Dynamic Universal Music Bibliotheque - DUMB - Module/tracker based music format parser and player library -- Please consider using libopenmpt instead of this, it's considerably …

The Eternity Engine