X-Motor Racing (XMR) is an indie racing simulator. The game features high precision physics simulation, online multiplayer and open architecture.
Featured is a fully customizable physics model — the tire model, suspension, or motor are available to tune in the game, including an advanced tire model with adjustable parameters, such as temperature and tire grip. X-Motor Racing has an advanced graphics engine, supporting True HDR rendering and FSAA. XMR SDK allows exporting all in-game physics data to build a motion platform, telemetry system or external controlling of the vehicles.
Open physics model and tools for creating cars and track allows using X-Motor Racing as professional software for driver training as well as entertainment. The game is used in education, real motor sport and automotive industry for R&D by some teams, for example, McGill University, or ItalDesign.
The developer releases new versions, updates and additional content very frequently. X-Motor Racing is a digital delivery product.
Source: Wikipedia, "X Motor Racing", available under the CC-BY-SA License.