Here are some links that go to free programs:

1. IZARC Archiver - http://www.izarc.org/download.html

2. Daz Studio 3D - http://www.daz3d.com/i/software/daz_studio3?_m=d

3. VLC Media Player - http://www.videolan.org/vlc/

4. WinRar - http://filehippo.com/download_winrar/

5. AoA Audio Extractor - http://www.aoamedia.com/audioextractor.htm

6. Gimp 2 - http://www.gimp.org/

7. NCH Software - download prism video, and switch sound converter, and pixillion.

8. Google Sketch up - http://sketchup.google.com/download/

NOTE: More & more will appear over time.