STEAM Labs

CookieCaster lets you design, share and create custom cookie cutters.

SketchUp, formerly Google Sketchup, is a 3D modeling computer program for a wide range of drawing applications such as architectural, interior design, landscape architecture, civil and mechanical engineering, film and video game design.

SculptGL is a small sculpting application powered by JavaScript and webGL.

If you are new to the world of digital sculpting, Sculptris is the ideal place to start.

Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.