TexturePaint is a Gimp plugin which displays a Quake I/II model in an OpenGL window and shows a texture image mapped on the model. You can modify the texture image with GIMP and view the result in the 3D window. You can also paint in the 3D view and TexturePaint calculates the texture for you.
TexturePaint is a property of TexturePaint respective authors, vendors and developers. You can download TexturePaint for your hardware. If you want to use TexturePaint for other purpose, Please contact the authors, vendors and developers of TexturePaint.