VGP3 is an advanced racecar simulator with unique physics, advanced AI and both online/offline racing modes. VGP3 is one of the very few commercial sims not Windows-centric, available for Windows and OS X. The 3D engine is based on OpenGL and supports 2.x features such as GLSL, VBOs, FBOs and shadow maps. VGP3 is fully moddable and customizable, file formats are documented, including GLSL code and 3D object/physics config files. Tools such as 3D object converters and track editors are available as well. A demo—freely downloaded without any registration—is available from the VGP3 website!