Universal Scene Description
The programmer's solid 3D CAD modeller
ScreenClip is a free lightweight screen capture utility for Windows.
Viewer and exporter for Unreal Engine 1-4 assets
An enhanced version of the original VirtualDub
kicad 3D is aimed to add 3D realistic feature on kicad pcb CAD
A piece of useless crap
TurboSphere is an easy to learn and powerful JS based game engine.
SWF editor with support for action script.