Free meshmixer for Windows

Free beta version of Punch! Shark

Free Unreal Development Kit 3

Virtual Passes to Autodesk University free for educational users

Autodesk Project Cooper : free drawing tool (for now?)

Free version of Balancer Polygon reduction

Open Source HDRI application

T-FLEX CAD Free Student Edition

Pixelstruct - Open Source alternative to Microsoft Photosynth

Open Source : Sweet Home 3D

List of free Vector-drawing programs

Free version of netfabb studio available

Updated connection between ArchiCAD and Cinema4D

Free Image Stitching from Microsoft

CraftAnimations freeware addons

Modelur Urban Modeling for SketchUp

The end is near for Truespace

Envisioneer Express for free

Houdini 10 (still with free Apprentice Edition)

new Open Movie project "Durian"

Kerkythea will go commercial

Rhino 5.0 WIP freely available for Rhino 4.0 users

Cinema4D free for educational use

Allplan free for Students and Teachers

OpenCAD - how to write a CAD program

A/CAD LT Express? It will be DoubleCAD

Not free, but new: LightWave CORE

bonzai3d public beta

Vue 7 PLE Released

Free public beta of Carrara 7