TrackMania - The most popular online PC racing game.
Unity - The multiplatform game creation tools for everyone.
SuperTuxKart - 3D arcade-style MK-like kart racing game
Godot Engine - Feature-packed 2D and 3D open source game engine.
Blocky roads - DogByte is a small indie mobile game developer studio dedicated to making the best games possible by combining innovative design with stunning graphics and leading-edge technology.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.