Best List of Freeware and Open Source Programs 

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/
Houdini (Free Edition) - http://www.sidefx.com/apprentice/index.html
Maya Personal Learning Ed. - http://www.alias.com/eng/products-services..._maya_ple.shtml
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

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
CWShredder - http://www.intermute.com/spysubtract/cwshr...r_download.html
Hijackthis - http://www.spywareinfo.com/~merijn/downloads.html
Mcft AntiSpyware - http://www.Mcft.com/athome/security/s...re/default.mspx
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
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/
DeliPlayer. http://www.deliplayer.com/
Foobar 2000 - http://www.foobar2000.org/
iTunes - http://www.apple.com/itunes/
Jet Audio Basic - http://www.jetaudio.com/
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
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/
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

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

Desktop Enhancements:
AveDesk - http://www.aqua-soft.org/board/showthread.php?t=17372
CursorXP - http://www.stardock.com/products/cursorxp/download.html
Desktop Sidebar - http://www.desktopsidebar.com/
Glass2k - http://www.chime.tv/products/glass2k.shtml
Kapsules - http://kapsules.shellscape.org/
Konfabulator - http://www.konfabulator.com/info
MobyDock - http://www.mobydock.com/
Panorama - http://www.ivory.org/panorama.html
Rainlendar - http://www.ipi.fi/~rainy/index.php?pn=proj...ject=rainlendar
Samurize - http://www.samurize.com/
SlickRun - http://www.bayden.com/SlickRun/
TaskSwitchXP Pro - http://www.ntwind.com/taskswitchxp/
tclock2 - http://home.inreach.com/2tone/tclock2/tclock2.htm
Weather Watcher - http://www.singerscreations.com/
WinRoll - http://www.palma.com.au/winroll/

Download managers

Free Download Manager - http://www.freedownloadmanager.org/
Fresh Download - http://www.freshdevices.com/freshdown.html
LeechGet - http://www.leechget.net/en/
Star Downloader - http://www.stardownloader.com/downloads.php
Sun Download Manager - http://www.sun.com/download/sdm/index.xml
wackget - http://millweed.com/projects/wackget/
wget - http://xoomer.virgilio.it/hherold/
WellGet - http://www.wellget.com/

Encryption and data security

Axcrypt - http://axcrypt.sourceforge.net/
Blowfish Advanced CS- http://web.bsn.ch/lasse/bfacs.htm
Eraser - http://www.heidi.ie/eraser/default.php
File Shredder - http://www.sys-shield.com/fileshredder.htm
KeePass - http://keepass.sourceforge.net/
GnuPG - http://www.gnupg.org/
PGP Freeware - http://www.pgp.com/products/freeware.html
PicoCrypt - http://picofactory.com/picocrypt.html
TrueCrypt - http://www.truecrypt.org/
WindowsCleaner - http://www.winnowsoft.com/internet-eraser.htm

File Managers

2xExplorer - http://netez.com/2xExplorer/
A43 - http://www.shawneelink.net/~bgmiller/
ExplorerXP - http://www.explorerxp.com
Gyula's Navigator - http://www.wanari.com/
JExplorer - http://home.megapass.co.kr/~woosjung/
MeeSoft Commander - http://meesoft.logicnet.dk/

File repair and recovery

PC Inspector File Recovery -http://www.pcinspector.de/file_recovery/UK/welcome.htm

Firewalls

Jetico Personal Firewall - http://www.jetico.com/index.htm#/jpfirewall.htm
Kerio (Kerio Personal Firewall is FREE for home and personal use) -http://www.kerio.com/kpf_home.html
Outpost Firewall (version 1 is free) -http://www.agnitum.com/download/outpost1.html
SoftPerfect Personal Firewall - http://www.softperfect.com/products/firewall/
Sygate - http://smb.sygate.com/products/spf_standard.htm
Wyvern Firewall 2004 - http://www.wyvernworks.com/firewall.html
Zonealarm Basic firewall -http://www.zonelabs.com/store/content/comp...reeDownload.jsp

FTP Clients

CoreFTP - http://www.coreftp.com/
Filezilla - http://sourceforge.net/projects/filezilla
miFiles - http://www.simdata.com.au/mifiles.html
SmartFTP - http://www.smartftp.com/
TYPSoft FTP Server - http://en.typsoft.com/

FTP Servers

FileZilla - http://filezilla.sourceforge.net/
Golden FTP Server - http://www.goldenftpserver.com
GuildFTPD - http://www.totalshareware.com/asp/detail_v...pplication=8334
Quick 'n Easy FTP Server - http://www.pablovandermeer.nl/ftp_server.html
SlimFTPd - http://www.whitsoftdev.com/slimftpd
WarFTPD - http://www.jgaa.com/

HTML Editors

1st page 2000 - http://www.evrsoft.com/download.shtml
AceHTML - http://freeware.acehtml.com/download.html
Aracnophilia - http://www.arachnoid.com/arachnophilia/
HTML-Kit - http://www.chami.com/html-kit/
NVU - http://www.nvu.com/index.html
Selida - http://www.amaryllis.8m.com/
Trellian webPAGE - http://webpage.vendercom.com/
TSW WebCoder - http://www.tsware.net/
WYSIWYG Web Builder -http://www.pablosoftwaresolutions.com/html...eb_builder.html

Image viewers

Ahaview - http://www.aha-soft.com/ahaview/ahaviewfree.exe
FastStone Image Viewer - http://www.faststone.org/FSViewerDetail.htm
Irfanview - http://www.irfanview.com/
Picasa - http://www.picasa.com/content/download.php
SlowView - http://www.slowview.at/
XNView - http://www.xnview.com/

Instant Messenger

AMSN - http://amsn.sourceforge.net/index.php
Gaim - http://gaim.sourceforge.net/
IM2: http://www.im2.com
Mercury Messenger - http://www.mercury.to/
Miranda IM - http://www.miranda-im.org/
Pandion - http://www.pandion.be/
PSI - http://psi.affinix.com/
qip - http://www.qip.ru/
Skype - http://www.skype.com/
SIM - http://sim-icq.sourceforge.net/
TerraIM - http://terraim.sourceforge.net/
Trillian Basic - http://trillian.cc/downloads

Internet Explorer Front-Ends

AM Browser - http://www.ambrowser.com/
AOL Browser - http://beta.aol.com/projects/aolbrowser/
Avantbrowser - http://www.avantbrowser.com/
Maxthon - http://www.maxthon.com/
SlimBrowser - http://www.flashpeak.com/sbrowser/sbrowser.htm

IRC Clients

BersIRC - http://www.bersirc.com/
BitchX - http://bitchx.org/download.php
HydraIRC - http://www.hydrairc.com/
NodeIRC - http://node.sourceforge.net/
TinyIRC - http://www.tinyirc.net/
XChat - http://www.silverex.org/news/

Mail programs

Foxmail - http://fox.foxmail.com.cn/english/
i.Scribe - http://www.memecode.com/
Mahogany Mail - http://mahogany.sourceforge.net/
Pegasus Mail - http://www.pmail.com/
PopTray - http://www.poptray.org/
Thunderbird - http://www.mozilla.org/projects/thunderbird/

Anti-spam programs

K9 - http://www.keir.net/k9.html
MailWasher- http://www.mailwasher.net/
POPFile - http://popfile.sourceforge.net/
SpamBayes - http://spambayes.sourceforge.net/
SpamPal - http://www.spampal.org/

Network Tools

CMDTime NTP Utility - http://www.softshape.com/download/
Ethereal Protocol Analyzer - http://www.ethereal.com/
Gencontrol - http://www.gensortium.com/products/gencontrol.html
hamachi - http://www.hamachi.cc/
NetMeter - http://readerror.gmxhome.de/
NetProfiles - http://netprofiles.danielmilner.com/
NMap - http://www.insecure.org/nmap/
Ntop - http://www.ntop.org
PingPlotter - http://www.pingplotter.com
PuTTY - http://www.chiark.greenend.org.uk/~sgtatham/putty
RAS Graph & Stats - http://forum.flashfxp.com/showthread.php?s=&threadid=2400
RealVNC - http://www.realvnc.com/
TightVNC - http://www.tightvnc.org/
Ultr@VNC - http://ultravnc.sourceforge.net/
WinSCP - http://www.winscp.com/

Office Suite

602PC Suite free edition -http://www.software602.com/products/pcs/download.html
AbiWord - http://www.abiword.com/
OpenOffice.org - http://www.openoffice.org/
qjot - http://www.xtort.net/xtort/qjot.php

Partition Managers

Partition Resizer - http://zeleps.com/
Ranish Partition Manager - http://www.ranish.com/part/
TestDisk - http://www.cgsecurity.org/index.html?testdisk.html

PDF Utilities

CutePDF - http://www.cutepdf.com/Products/CutePDF/writer.asp
Foxit PDF Reader - http://www.foxitsoftware.com/pdf/rd_intro.php
Free PDF - http://www.webxd.com/zipguy/frpdfdl.htm
Ghostscript/GSView - http://www.ghostscript.com/
PDF 995 - http://www.pdf995.com/
PDFCreator - http://sourceforge.net/projects/pdfcreator/
PrimoPDF - http://www.primopdf.com/

Photo manipulation and image design

ArtRage - http://www.ambientdesign.com/artrage.html
ColorPic - http://www.iconico.com/colorpic/
Deep Paint - http://www.download.com/Deep-Paint/3000-21...tml?tag=lst-2-7
Delineate - http://delineate.sourceforge.net/
iIco - http://www.mintrasystems.com/world/product...duct.php?p=iico
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

Programming

ActivePerl - http://www.activestate.com/Products/ActivePerl
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/
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/
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
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

CPU-Z - http://www.cpuid.com/cpuz.php
Everest - http://www.lavalys.com/products/overview.p...ang=en&pageid=1
Gkrellm - http://bill.nalens.com/
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

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

DVD Shrink - http://www.dvdshrink.org/
DScaler - http://deinterlace.sourceforge.net/
FlasKMPEG - http://www.flaskmpeg.net
GSpot - http://www.headbands.com/gspot/
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/
Sambar - http://www.sambar.com/
Savant - http://savant.sourceforge.net/
SimpleServer:WWW -http://www.analogx.com/contents/download/network/sswww.htm
TinyWeb - http://www.ritlabs.com/tinyweb/index.html
Xitami - http://www.xitami.com/

Webcam Software

booruWebCam - http://www.booru.net/
Pryme - http://www.hilo.dk/pryme/

Checksum Utilities

fsum - http://www.slavasoft.com/fsum/
hksfv - http://www.big-o-software.com/products/hksfv/
md5sum - http://www.etree.org/md5com.html
md5summer - http://www.md5summer.org/

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/
Celestia - http://www.shatters.net/celestia
CCleaner - http://www.ccleaner.com
Contact - http://www.isaacboy.com/contact.htm
Cygwin - http://www.cygwin.com
Dirkey - http://www.protonfx.com/dirkey/
EditPad Lite - http://www.editpadpro.com/editpadlite.html
EssentialPIM - http://www.essentialpim.com/
Folder Size Extension - http://foldersize.sourceforge.net/
HTTrack - http://www.httrack.com/
Inno Setup - http://www.jrsoftware.org/isinfo.php
KeyNote - http://www.tranglos.com/free/keynote.html
Memtest-86 - http://www.memtest86.com
Money Manager - http://www.thezeal.com/software/manager/default.asp
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
QuickPar - http://www.quickpar.org.uk/
QuickSFV - http://www.geocities.com/SiliconValley/Mouse/4668/
png2ico - http://winterdrache.de/freeware/png2ico
Restoration - http://www3.telus.net/mikebike/RESTORATION.html
Stickies - http://finiteloop.org/~btaylor/software/stickies/
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
YourDir - http://www.primeoption.com.au/FreewareYourDir.htm