Geometric Tools Engine 1.3. The distribution was posted on September 13, 2014. The engine has been developed and tested on Microsoft Windows 8.1 using Microsoft Visual Studio 2013 and Direct3D 11.1. We are currently working on an OpenGL 4.3 engine that can be used for graphics applications on Linux and Mac OS X platforms.

GTE1.3 License Agreement (Boost)
GTE1.3 Installation and Release Notes
GTE1.3 Distribution (zip file) (last update: September 13, 2014)
GTE Updates and Bug Fixes (last update: September 13, 2014)
GTE Known Problems (initial posting: August 11, 2014)

Wild Magic Engine 5.13. Until we have finished porting the Wild Magic source code and applications to the Geometric Tools Engine, the old distribution is still available for download. Wild Magic is supported on Microsoft Windows 7 or later (Microsoft Windows 7, 8.0, 8.1; Microsoft Visual Studio 2010, 2012, 2013; OpenGL [WGL]; DirectX SDK June 2010), Linux (various flavors; OpenGL [GLX]; g++ 4.x), and Macintosh OS X 10.9.4 or later (OpenGL [GLUT]; Xcode 5.1.1 with Apple LLVM Compiler Version 5.0).

WM5 License Agreement (Boost)
WM5 Installation and Release Notes
WM5 Distribution (zip file) (final update: August 11, 2014)