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

RenderDoc is a stand-alone graphics debugging tool.

Play your favorite games in a borderless window; no more time consuming alt-tabs.

The Forge Cross-Platform Framework PC Windows, Steamdeck (native), Ray Tracing, macOS / iOS, Android, XBOX, PS4, PS5, Switch, Quest 2

scene-oriented, flexible 3D engine (C++, Python, C#, Java)

TiXL is an open source software to create realtime motion graphics.

A modern cross-platform low-level graphics library and rendering framework

Overlay for running GPU shaders on top of Windows desktop

Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)

LYGIA, it's a granular and multi-language (GLSL, HLSL, Metal, WGSL, WEGL and CUDA) shader library designed for performance and flexibility

A .NET library to run C# code in parallel on the GPU through DX12, D2D1, and dynamically generated HLSL compute and pixel shaders, with the goal of making GPU computing easy to use for all .NET developers! 🚀

GDI, OpenGL and Direct3D 9 re-implementation of the DirectDraw API for classic 2D games for better compatibility with Windows ME, 2000, XP, Vista, 7, 8, 10, 11, Wine (Linux/macOS/Android) and Virtual Machines

The DirectX Tool Kit (aka DirectXTK) is a collection of helper classes for writing DirectX 11.x code in C++

Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs OpenGL, Direct3D, Vulkan, and Metal

Helix Toolkit is a collection of 3D components for .NET.

DirectXTex texture processing library

Modern C++14 library for the development of real-time graphical applications

DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps

Fixes compatibility issues with older games running on Windows 10/11 by wrapping DirectX dlls. Also allows loading custom libraries with the file extension .asi into game processes.

Highly optimized open source ambient lighting implementation based on modern digital video and audio stream analysis for Windows, macOS and Linux (x86 and Raspberry Pi / ARM).