3D Graphics:
3Delight Free - http://www.3delight.com/index.htm
Anim8or - http://www.anim8or.com/
Aqsis - http://www.aqsis.com/
Blender - http://www.blender3d.org/
gmax - http://www.discreet.com/products/gmax/

Anti-Virus:
AntiVir - http://www.free-av.com/
Avast - http://www.avast.com/i_idt_1018.html
AVG - http://free.grisoft.com/

Anti Spyware:
Ad-aware - http://www.lavasoft.de/software/adaware/
Bazooka - http://www.kephyr.com/spywarescanner/index.html
Hijackthis - http://www.spywareinfo.com/~merijn/downloads.html
Microsoft AntiSpyware - http://www.microsoft.com/athome/security/s...re/default.mspx

Audio Players:
1by1 - http://www.rz.uni-frankfurt.de/~pesch
Billy - http://www.sheepfriends.com/?page=billy
CoolPlayer - http://coolplayer.sourceforge.net/

Audio Tools:
Audacity - http://audacity.sourceforge.net/
CDex - http://cdexos.sourceforge.net/

CD/DVD Burning:
Burn4Free - http://www.burn4free.com/
Burnatonce - http://www.burnatonce.com/