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.
Sculptris - Sculptris: Enter a world of digital art without barriers.
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.
Misfit Model 3D - Misfit Model 3D is a 3D model editor that basically operates with triangle-based models.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.