Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Xara 3D Maker - Xara 3D Maker transforms any kind of text, graphic or photo into a 3D logo automatically. You don't need any previous experience to produce professional results.
Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.
K-3D - K-3D is free-as-in-freedom 3D modeling and animation software.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
GSAP - GSAP (GreenSock Animation Platform) is a suite of JavaScript tools for high-performance animations that work in all major browsers.