Godot Engine – Multi-platform 2D and 3D game engine

JSON for Modern C++

Fast C++ logging library.

FlatBuffers: Memory Efficient Serialization Library

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Arduino core for the ESP32

Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

C++ websocket client/server library

Universal Scene Description

TattieBogle Xbox 360 Driver (with improvements)

a language for fast, portable data-parallel computation

free C++ class library of cryptographic schemes

C++ logging library. It is powerful, supports asynchronous low latency, extendable, light-weight, fast performing, thread and type safe and consists of many built-in features. It provides ability t…

Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal an…

Asynchronous Low Latency C++ Logging Library

C++11 implementation of Socket.IO client

Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.

libheif is an HEIF and AVIF file format decoder and encoder.

ShaderConductor is a tool designed for cross-compiling HLSL to other shading languages

*No longer in development* Please see https://github.com/unpause-live/SwiftVideo

A translator from Intel SSE intrinsics to Arm/Aarch64 NEON implementation

Portable header-only C++ low level SIMD library

Single-header C++ HTTP request class

DirectX shader bytecode cross compiler

Cross platform (Windows, Mac, Linux) native file dialog library with C and C++ bindings, based on mlabbe/nativefiledialog.

A C++17 cross-platform implementation for UUIDs

C++/CUDA/Python multimedia utilities for NVIDIA Jetson

Tiny OpenEXR image loader/saver library

Node-based image editor with GPU-acceleration.