A listing of the software that I so frequently use

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/
Houdini (Free Edition) - http://www.sidefx.com/apprentice/index.html
Computer Graphics books - http://2020ok.com/4134.htm
Now3D - http://digilander.libero.it/giulios/Eng/homepage.htm
OpenFX - http://www.openfx.org
POV-Ray - http://www.povray.org/
SOFTIMAGE|XSI EXP - http://www.softimage.com/products/exp/v3/
Terragen - http://www.planetside.co.uk/terragen/
Toxic - http://www.toxicengine.org/
Wings 3D - http://www.wings3d.com/

Anti-Virus:
a-squared - http://www.emsisoft.com/en/software/free/
AntiVir - http://www.free-av.com/
Avast - http://www.avast.com/i_idt_1018.html
AVG - http://free.grisoft.com/
BitDefender - http://www.bitdefender.com
ClamWin - http://www.clamwin.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
SpyBot Search & Destroy - http://spybot.safer-networking.de/
SpywareBlaster - http://www.javacoolsoftware.com/spywareblaster.html
SpywareGuard - http://www.wilderssecurity.net/spywareguard.html
WinPatrol - http://www.winpatrol.com/

Audio Creation
Gungirl Sequencer - http://ggseq.sourceforge.net/pmwiki.php/Main/HomePage
HammerHead - http://www.threechords.com/hammerhead/introduction.shtml
Jesusonic - http://www.jesusonic.com/soft.php
KRISTAL Audio Engine - http://www.kreatives.org/kristal/index.php
orDrumbox - http://ordrumbox.sourceforge.net/
Tu2 - http://www.brambos.com/news.html

Audio Players:
1by1 - http://www.rz.uni-frankfurt.de/~pesch
Billy - http://www.sheepfriends.com/?page=billy
CoolPlayer - http://coolplayer.sourceforge.net/
DeejaySystem MK1 - http://www.deejaysystem.com/prod_mk1.asp
DeliPlayer. http://www.deliplayer.com/
Foobar 2000 - http://www.foobar2000.org/
iTunes - http://www.apple.com/itunes/
Jet Audio Basic - http://www.jetaudio.com/
Mixere - http://mixere.sourceforge.net/
Mixxx - http://mixxx.sourceforge.net/
monoRAVEik - http://www.mono211.com/monoraveik/mr1200.html
MoreAmp - http://sourceforge.net/projects/moreamp/
Musik - http://musik.berlios.de/
musikCube - http://www.musikcube.com/
QCD Player - http://www.quinnware.com/
Sonique - http://sonique.lycos.com/
Winamp - http://www.winamp.com/
XMPlay - http://www.un4seen.com/xmplay.html
Zinf - http://www.zinf.org/


Audio Tools:
Audacity - http://audacity.sourceforge.net/
AudioShell - http://www.softpointer.com/AudioShell.htm
BeSweet - http://dspguru.doom9.net/
CDex - http://cdexos.sourceforge.net/
dBpowerAMP Music Converter - http://www.dbpoweramp.com/dmc.htm
EAC - http://www.exactaudiocopy.de/
Encounter 2003 - http://www.waschbusch.com/
GermaniXEncoder - http://www.germanixsoft.de/
K-MP3 - http://www.katarncorp.com/
KraMixer - http://www.kramware.com/
MP3 Book Helper - http://mp3bookhelper.sourceforge.net/
MP3 Tag - http://www.mp3tag.de/
Mp3 Tag Tools - http://massid3lib.sourceforge.net/
mp3DirectCut - http://www.rz.uni-frankfurt.de/~pesch/
MP3Gain - http://www.geocities.com/mp3gain/
mp3Trim - http://www.logiccell.com/~mp3trim/
MusicBrainz - http://musicbrainz.org/
Rarewares - http://rarewares.hydrogenaudio.org/
SoundEngine Free - http://www.cycleof5th.com/en/index.htm
TagScanner - http://xdev.narod.ru/tagscan_e.htm
The GodFather - http://users.otenet.gr/~jtcliper/tgf/
TigoTago - http://www.tigotago.com/

CD/DVD Burning:
Burn4Free - http://www.burn4free.com/
Burnatonce - http://www.burnatonce.com/
Burrrn - http://www.burrrn.net/
CDBurnerXP - http://www.cdburnerxp.se/
CDRDAO - http://cdrdao.sourceforge.net/
CDR Tools Frontend - http://demosten.com/cdrfe/
Deepburner - http://www.deepburner.com/
DVD Decrypter: http://www.dvddecrypter.com/
Easy Burning, DropCD & Audio CD - http://www.paehl.de/cdr
ImgBurn - http://www.imgburn.com/

Compression / Decompression:
7-zip - http://www.7-zip.org/
bzip2 - http://sources.redhat.com/bzip2/index.html
ExtractNow - http://www.extractnow.com/
FilZip - http://www.filzip.com/
Info-Zip - http://www.info-zip.org/
IZArc - http://www.florida.plus.com/izarc/
QuickZip - http://www.quickzip.org/
TUGZip - http://www.tugzip.com/
UPX - http://upx.sourceforge.net/
Zip&Go - http://www.handybits.com/zipngo.htm
Zipgenius - http://www.zipgenius.it/

Defrag Software:
DIRMS & Buzzsaw - http://www.dirms.com/
OpenVMS - http://www.execsoft.com/freeware/freeware.asp

Photo manipulation and image design:
ArtRage - http://www.ambientdesign.com/artrage.html
Artweaver - http://www.artweaver.de/index.php?en_version
ColorPic - http://www.iconico.com/colorpic/
Delineate - http://delineate.sourceforge.net/
Inkscape - http://www.inkscape.org/
JPEGCrops - http://ekot.dk/programmer/JPEGCrops/
Paint .NET - http://www.eecs.wsu.edu/paint.net/
Pixia - http://www.ab.wakwak.com/~knight/
Pixie - http://www.nattyware.com/pixie.html
PhotoFiltre - http://www.photofiltre.com/
Sodipodi - http://www.sodipodi.com/
The Gimp - http://www.gimp.org/
Tuxpaint - http://www.newbreedsoftware.com/tuxpaint
Wax - http://www.debugmode.com/wax/
Wink - http://www.debugmode.com/wink/
WinMorph - http://www.debugmode.com/winmorph/

Programming:
ActivePerl - http://www.activestate.com/Products/ActivePerl
BlueJ - http://www.bluej.org/download/download.html
Crimson Editor - http://www.crimsoneditor.com/
Code::Blocks - http://www.codeblocks.org/
Context - http://www.context.cx/
Dev C++ - http://www.bloodshed.net/
Dev Pascal - http://www.bloodshed.net/
Computer Programming books - http://2020ok.com/4134.htm
Digital Mars C++ - http://www.digitalmars.com/download/freecompiler.html
Eclipse - http://www.eclipse.org/
ExamDiff - http://www.prestosoft.com/ps.asp?page=edp_examdiff
Freepascal - http://www.freepascal.org/
JCreator LE - http://www.jcreator.com/download.htm
jEdit - http://www.jedit.org/
Metapad - http://www.liquidninja.com/metapad/
Notepad++ - http://notepad-plus.sourceforge.net/uk/site.htm
Notepad2 - http://www.flos-freeware.ch/
Open Watcom - http://www.openwatcom.org/
Pelles C - http://www.smorgasbordet.com/pellesc/index.htm
PHP Hypertext Parser - http://www.php.net/
Programmer's Notepad - http://www.pnotepad.org/
PSPad - http://www.pspad.com/
Python - http://www.python.org/
Ruby - http://www.dm4lab.to/~usa/ruby/index_en.html
SharpDevelop - http://www.icsharpcode.net/opensource/sd/
WebMatrix - http://www.asp.net/webmatrix/
WinMerge - http://winmerge.org/

Pop-up Blockers:
Google Toolbar - http://www.google.com/
NoAds - http://www.southbaypc.com/NoAds/
PopUp Stopper - http://www.panicware.com/product_psfree.html
Privoxy - http://www.privoxy.org/
Proxomitron - http://www.proxomitron.info/

RSS Readers:
Ablion - http://www.fileheaven.com/Abilon/download/14059.htm
BlogExpress - http://www.usablelabs.com/productBlogExpress.html
Feedreader - http://www.feedreader.com/
FireANT - http://www.antisnottv.net/
GreatNews - http://www.curiostudio.com/
RssBandit - http://www.rssbandit.org/
RSSOwl - http://www.rssowl.org/
RssReader - http://www.rssreader.com/
RSS Xpress - http://rssxpress.free.fr/en/?page=&idNews=
SharpReader - http://www.sharpreader.net/

System Information and monitoring:
AIDA32 - http://www.sofotex.com/AIDA32-download_L9326.html
ATITool - http://www.techpowerup.com/atitool/
ATI Tray Tools - http://www.guru3d.com/article/atitraytools/189/
CPU-Z - http://www.cpuid.com/cpuz.php
Gkrellm - http://bill.nalens.com/
K1 - http://clanpkm.free.fr/K1/?lng=en
Motherboard monitor - http://www.majorgeeks.com/download.php?det=311
SpeedFan - http://www.almico.com/speedfan.php
Sysmetrix - http://www.xymantix.com
WCPUID - http://hp.vector.co.jp/authors/VA002374/src/download.html
WhatsRunning - http://www.whatsrunning.net/whatsrunning/main.aspx

Video codecs:
DivX Codec - http://www.divx.com/divx/?src=toptab_divx_from_/index.php
FFDSHOW - http://sourceforge.net/projects/ffdshow
XviD - http://www.xvid.org/

Video players :
AC3Filter - http://sourceforge.net/projects/ac3filter
BsPlayer - http://www.bsplayer.org/
Crystal Player - http://www.crystalplayer.com/index.php?page=downloads
Cygwin MPlayer - http://armory.nicewarrior.org/projects/cygmp/
DivX Player - http://www.divx.com/
MaximusDVD - http://www.maximusdvd.com/
Media Player Classic - http://sourceforge.net/project/showfiles.php?group_id=82303
VideoLan - http://www.videolan.org/

Video tools:
DScaler - http://deinterlace.sourceforge.net/
FlasKMPEG - http://www.flaskmpeg.net
GSpot - http://www.headbands.com/gspot/
TMPGEnc - http://www.tmpgenc.net/e_main.html
VirtualDub - http://www.virtualdub.org/
VirtualDubMod - http://sourceforge.net/project/showfiles.php?group_id=65889
Zwei-Stein Video Editor - http://www.thugsatbay.com/software/index.html

Web browsers:
Firefox - http://www.getfirefox.com
K-Meleon - http://kmeleon.sourceforge.net/
Mozilla - http://www.mozilla.org/
Netscape - http://channels.netscape.com/ns/browsers/default.jsp
Opera - http://www.opera.com

Web servers:
Abyss - http://abyss.sourceforge.net/
Apache - http://httpd.apache.org/
Apache2Triad - http://apache2triad.net/
HTTP File Server - http://www.rejetto.com/sw/
Web Development books - http://2020ok.com/3510.htm
Sambar - http://www.sambar.com/
Savant - http://savant.sourceforge.net/
SimpleServer:WWW - http://www.analogx.com/contents/download/network/sswww.htm
Smart Cache - http://scache.sourceforge.net/
TinyWeb - http://www.ritlabs.com/tinyweb/index.html
Xitami - http://www.xitami.com/

Webcam Software:
booruWebCam - http://www.booru.net/
Dorgem - http://dorgem.sourceforge.net/
grabMotion - http://www.grabmotion.com/
Pryme - http://www.hilo.dk/pryme/

Checksum Utilities:
fsum - http://www.slavasoft.com/fsum/
HashCalc - http://www.slavasoft.com/hashcalc/
hksfv - http://www.big-o-software.com/products/hksfv/
ICEECC - http://www.ice-graphics.com/ICEECC/IndexE.html
md5sum - http://www.etree.org/md5com.html
md5summer - http://www.md5summer.org/
MooSFV - http://www.ubercow.com/moosfv/
QuickPar - http://www.quickpar.org.uk/
QuickSFV - http://www.geocities.com/SiliconValley/Mouse/4668/

General Utilities And Other Applications:
AdShield - http://www.lossepladsen.dk/all4you/TheLostWorld/AdShield.php
AnalogX - http://www.analogx.com/
AppRocket - http://www.candylabs.com/approcket/
AutoIt - http://www.hiddensoft.com/autoit3/
BISS - http://www.bluetack.co.uk/index.php
Celestia - http://www.shatters.net/celestia
CCleaner - http://www.ccleaner.com
ClipX - http://bluemars.org/clipx/
Computer & Internet books - http://2020ok.com/5.htm
Contact - http://www.isaacboy.com/contact.htm
Cygwin - http://www.cygwin.com
Dir2HTML - http://www.pc-tools.net/win32/dir2html/
Dirkey - http://www.protonfx.com/dirkey/
EasyCleaner - http://personal.inet.fi/business/toniarts/ecleane.htm
EditPad Lite - http://www.editpadpro.com/editpadlite.html
EssentialPIM - http://www.essentialpim.com/
Excessive-software - http://www.excessive-software.eu.tt/
Folder Size Extension - http://foldersize.sourceforge.net/
Hamsin Clipboard - http://www.iisr-cnc.com/hamsin/
HTTrack - http://www.httrack.com/
Inno Setup - http://www.jrsoftware.org/isinfo.php
KeyNote - http://www.tranglos.com/free/keynote.html
Kickjava - http://kickjava.com/books/
Language Identifier - http://www.languageidentifier.com/
Link Checker - http://www.relsoftware.com/rlc/
Memtest-86 - http://www.memtest86.com
Money Manager - http://www.thezeal.com/software/manager/default.asp
Multi Install - http://multiinstall.sourceforge.net/
MWSnap - http://www.mirekw.com/winfreeware/mwsnap.html
NetTime - http://nettime.sourceforge.net
Nullsoft Installer - http://www.nullsoft.com/free/nsis
Open Subfolder - http://www.bubblepop.com/opensubfolder/index.html
Peerguardian - http://www.methlabs.org/
Process Explorer (aka ProcessXP) -
http://www.sysinternals.com/ntw2k/freeware/procexp.shtml
png2ico - http://winterdrache.de/freeware/png2ico
RegSeeker - http://www.hoverdesk.net/freeware.htm
Restoration - http://www3.telus.net/mikebike/RESTORATION.html
Startup Control Panel - http://www.mlin.net/StartupCPL.shtml
Stickies - http://finiteloop.org/~btaylor/software/stickies/
StrokeIt - http://www.tcbmi.com/strokeit/
Syncback - http://www.2brightsparks.com/freeware/freeware-hub.html
Sysinternals - http://www.sysinternals.com/
Toolbox - http://www.sil.org/computing/toolbox/
TreeSize - http://www.jam-software.com/freeware/index.shtml
TuneXP - http://www.driverheaven.net/dforce/showdoc.php?doc=txp_about
Turbo Pad - http://turbopad.sourceforge.net/
Unlocker - http://ccollomb.free.fr/unlocker/
Vim - http://vim.sourceforge.net
WeathAlert - http://www.ic.sunysb.edu/stu/msowul/?page=weathermain
WordWeb - http://wordweb.info/free/
XP AntiSpy - http://www.xpantispy.org/
YourDir - http://www.primeoption.com.au/FreewareYourDir.htm

Thanks for a patient reading :)