The manufactor of A:M, the main forum and many additonal interesting elements about A:M can be found here.
3d-Painter is the 3d-paint-program for A:M.
It will help to create textures for even complex 3d-models in a very intuitive and easy way.
The motion capture software A:M Track will capture face movements using a webcam (or more than one) and simple markers to capture face movements and transfer them to a character in A:M.
If you want to know more about the most important developer of A:M, have a look at his website.