WebGL is described as 'Cross-platform, royalty-free web standard for a low-level 3D graphics API based on OpenGL ES 2.0, exposed through the HTML5 Canvas element as Document Object Model interfaces. Developers familiar with OpenGL ES 2' and is a graphics library in the development category. There are more than 10 alternatives to WebGL, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac, iPhone and BSD apps. The best WebGL alternative is OpenGL, which is both free and Open Source. Other great sites and apps similar to WebGL are Vulkan, microStudio, Bevy Game Engine and UPBGE.
GLFW is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan development on the desktop. It provides a simple API for creating windows, contexts and surfaces, receiving input and events.
GDI++.dll is a replacement for the Windows default font rasterizer, which gives you a better font-smoothing capability, just like Mac OS X.
Crystal Space is a mature, full-featured Software Development Kit (SDK) providing real-time 3D graphics for applications such as games and virtual reality. It is free (LGPL) and cross-platform (Windows, GNU/Linux, Mac OS X).
