Google SketchUp Free Tool: A 3D software tool that combines a tool-set with an intelligent drawing system. Enables to place models using real-world coordinates and share them with the world.
http://sketchup.google.com/

Freez iPod - Video Converter - Ripper - Screen Video Capture
Flv to Mp3 Converter - Flv to AVI/MPEG/WMV Converter
http://www.smallvideosoft.com/download.php

Here are videos I created using these free tools:
http://www.youtube.com/watch?v=xyayV3xlMtU
http://www.youtube.com/user/prayersofhope