AC3D is a well established, fully featured 3D modeling package. It features an easy to use interface, powerful polygon and vertex editing, a UV mapper, 2D/3D text, and subdivision surfaces. It supports many 3D file formats.
AniTMT is a software package which is used to create photorealistic films with your PC. It has a new script language to do this. As the raytracing process takes much time, it can be distributed in networks.