Blender - Blender is the open source, cross platform suite of tools for 3D creation.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
whatdevsneed - This is whatdevsneed.
Autodesk Maya - Maya is 3D computer animation software with powerful modeling, rendering, simulation, texturing, and animation tools for artists, modelers, and animators.
SmallDevTools - Handy developer tools with a delightful interface