原文来自于:http://blog.163.com/erzulian90@126/blog/static/83391074201202875224959/
办公软件、应用软件
Winaddons.com列举了300款最好的免费软件！类别几乎包括了我们日常所需要的所有软件类型，千万别小看这些免费软件，其中大部分都是一些程序员看不惯收费软件而开发的，很多都是开源软件，得到了很多网友的支持，功能一点也不比那些收费软件差，在很多方面都更胜一筹，并且这些软件都不会捆绑任何插件。由于是老外选的，因此主要都是国外软件，国内的聊天软件QQ，音频播放软件千千静听等软件都没有看到，只看到Maxthon，FlashGet，BitComet。
Office（办公软件）
OpenOffice-office suite
PC Suite 602-office suite
AbiWord-text editor
Atlantis Nova-text editor
Microsoft PowerPoint Viewer-power point files viewer
Adobe Reader-pdf reader
Foxit PDF Reader-pdf reader
PDFCreator-create pdf documents
Doc Convertor-document convertor
Convert-unit convertor
Converber-unit convertor
Sunbird-calendar/organizer
EssentialPIM Free-calendar/organizer
PhraseExpress-speed up your writing
ATnotes-create notes on the desktop
Archive managers（应用软件）
7-Zip-compression program
IZArc-compression program
TugZIP-compression program
CabPack-compression program
Universal Extractor-extract files from any type of archive
Internet（互联网工具）
Firefox-web browser
Internet Explorer- web browser
Maxthon-web browser
Opera-web browser
Avant Browser-web browser
Thunderbird-email client
PopTray-check for emails
Free Download Manager-download manager
FlashGet-download manager
WellGet-download manager
Download Master-download manager
WGET-commandline download manager
HTTrack-offline browser
WebReaper-offline browser
Yeah Reader-RSS reader
GreatNews-RSS reader
RSSOwl-RSS reader
P2P（P2P工具）
?Torrent-torrent client
Azureus-torrent client
BitComet-torrent client
ABC-torrent client
BitTornado-torrent client
eMule-p2p client
SoulSeek-p2p client
Shareaza-p2p client
DC++-Direct Connect network client
PeerGuardian-IP blocker
聊天、安全
Chat（聊天）
Miranda-chat client
MSN Messenger-chat client
Yahoo Messenger-chat client
QIP-chat client
Gaim-chat client
JAJC-chat client
HydraIRC-IRC client
Talkative IRC-IRC client
IceChat-IRC client
Skype-VOIP client
Google Talk-VOIP client
VoipStunt-VOIP client
Gizmo-VOIP client
Wengo-VOIP client
Security（安全）
AVG Free-antivirus
Avast Home Free-antivirus
AntiVir PersonalEdition-antivirus
BitDefender Free-antivirus
ClamWin-antivirus
CyberDifender-Internet Security Suite
Ad-aware-anti-spyware
Spybot：Search and Destroy-anti-spyware
Windows Defender-anti-spyware
SpywareBlaster-anti-spyware
Spyware Terminator-anti-spyware
Tootkit Reveaker-rootkit detection utility
Winpooch-system protection
HiJack Free-system protection
HighJackThis-hijackers detector and remover
Kerio Personal Firewall-firewall
Sygate Personal Firewall-firewall
ZoneAlarm-firewall
AxCrypt-file encryption
Simple File Shredder-securely delete files
PuTTy-SSH client
KeePass-password manager
LockNote-password manager
nPassword-password manager
Microsoft Baseline Security Analyzer-identify security misconfigurations
网络、服务器、音频
Network（网络）
Hamachi-VPN client
RealVNC-remote control
UltraVNC-remote control
Ethereal-local area network administration
The Dude-network administration
Wireshark-network administration
Angry IP Scanner-IP scanner
IP-Tools-IP scanner
Free Port Scanner-IP scanner
NetMeter-network bandwidth monitoring
Servers（服务器）
FileZilla-FTP client
FileZilla Server-FTP server
EFTP-FTP client/server
XAMPP-integrated server package of Apache, mySQL, PHP and Perl
WAMP-Apache, PHP5 and MySQL server
Audio（音频）
Foobar2000-audio player
WinAmp-audio player
1by1-audio player
JetAudio-audio player
XMPlay-audio player
Xion-audio player
Apollo-audio player
MediaMonkey-music organizer
The GodFather-music organizer
dBpowerAMP-audio converter
Audacity-audio converter
WavePad-audio converter
Kristal Audio Engine-audio editor
Exact Audio Copy-CD ripper
Audiograbber-CD ripper
CDex-CD ripper
Mp3 Tag Tools-tag editor
Mp3tag-tag editor
Taggin’ MP3-tag editor
Monkey’s Audio-APE compressor/decompressor
mpTrim-mp3 editor
WavTrim-wave editor
EncSpot Basic-analyse mp3 files
视频、图像、3D
Video（视频）
Windows Media Player-audio/video player
VLC-video player
Media Player Classic-video player
MV2Player-video player
CrystalPlayer 1.95-video player
Zoom Player-video player
GOM Player-video player
viPlay-video player
DSPlayer-video player
VirtualDub-video editor
CamStudio-video screen recording
AviSplit-Avi splitter
Video mp3 Extractor-rip audio from video files
Free iPod Converter-convert all popular video formats to iPod video
MediaPortal-turning your PCinto a Media Center
Image（图像）
Gimp-image editor
PhotoFiltre-image editor
Paint.net-image editor
ArtRage-image editor
Artweaver-image editor
IrfanView-image viewer
Picasa-image viewer
XnView-image viewer
FastStone Image Viewer-image viewer
FuturixImager-image viewer
Easy Thumbnails-create thumbnails from images
JoJoThumb-create thumbnails from images
iWebAlbum-create web photo albums
JAlbum-create web photo albums
3D Box Shot Maker-design quality box shot
FastStone Capture-screen capture
WinSnap-screen capture
3D
Blender3D-3D renderer
3Delight Free-3D renderer
SketchUp-3D modeling
Maya Learning Edition-3D modeling
开发设计、CD/DVD、解码
Developers（开发设计）
AutoIt-task automation
SciTE4AutoIt3-text editor for AutoIt
AutoHotkey-task automation
PHP Designer-PHP editor
Notepad++-text editor
ConTEXT Editor-text editor
PSPad-text editor
FoxEditor-text editor
Crimson Editor-source code editor
Elfima Notepad-text editor
Notepad2-text editor
Nvu-HTML editor
Alleycode-HTML editor
BlockNote-web page editor
Weaverslave-web page editor
CD/DVD
DeepBurner-CD/DVD burner
CDBurner XP Pro-CD/DVD burner
BurnAtOnce-CD/DVD burner
Express Burn-CD/DVD burner
Zilla CD-DVD Rip’n’Burn-CD/DVD burner
ImgBurn-ISO, BIN burner
Daemon tools-virtual CD/DVD
DVD Decrypter-DVD ripper
DVD Shrink-DVD ripper
Nero CD-DVD Speed-CD/DVD info and quality test
Codecs（解码）
GSpot-codec information
AC 3Filter-audio codec
Xvid-video codec
QuickTime Alternative-video codec
Real Alternative-video codec
K-Lite Codec Pack-all codecs
系统工具、界面设计
System Ulilities（系统工具）
CCleaner-system cleaner
xp-AntiSpy-OS setup
jv16 Powertools-system utilities
XP SysPad-system monitoring utility
What’s Running-process guard
Registrar Lite-registry editor
WinIPConfig-replacement for “ipconfig.exe” and “route.exe”
Unlocker-file eraser
Eraser-secure file eraser
Undelete Plus-file recovery
freeCommander-file manager
ExplorerXP-file manager
Duplicate File Finder-find all duplicate files
Ant Renamer-file renaming
ReNamer-file renaming
Icons From File-icos extractor
Chaos MD5-MD5 generator
HashTab-MD5, SHA1 and CRC-32 file hashes
Rainlendar Lite-desktop calendar
Weather Watcher-weather firecast
Subtitle Workshop-subtitles editor
Ant Movie Catalog-movie organizer
Disclib-CD organizer
Dexpot-virtual desktops
DriveImage XML-create partition images
MozBackup-backup and restore bookmarks, etc.
SyncBack-system backup
Atomic Clock Sync-syncronize your clock
Citrus Alarm Clock-alarm clock
TaskSwitchXP-Alt-Tab replacement
Launchy-application launcher
allSnap-make all windows snap
Sysinternals Tools-various system tools
StrokeIt-mouse gestures
Net Profiles-create profiles of your network settings
ResourceHacker-view, modify, rename, add, delete
Java Runtime Environment-java for Windows
UI Enhancements（界面设计）
RocketDock-application launcher
AveDesk-desktop enhancer
IconPhile-customize windows’s system icons
CursorXP Free-change mouse cursors
MacSound-volume control
LClock-Windows Longhorn clock
Y’z Dock-application launcher
Y’z Shadow-shadow effect to the windows
Y’z Toolbar-change the toolbar icons in Explorer and Internet Explorer
Taskbar Shuffle-rearrange the programs on the taskbar by dragging
Visual Task Tips-thumbnail preview image for each task in the taskbar
Badges-put badges on any folder or file
Folderico-change icons of the folders
Folder Marker-mark your folders
Folder2MyPC-add favourite locations to My Computer
Microsoft TweakUI-system settings
BricoPacks-shell packs
ShellPacks-shell packs
Tango Shell Patcher-shell patcher
XPize-GUI enhancer
Vista Transformation Pack-complete visual style
Vista Sound Scheme-Windows Vista sound scheme
Royale Theme-visual style
硬件监控/检测、游戏
Hardware monitoring/Benchmarking（硬件监控/检测）
CPU-Z-cpu information
CrystalCPUID-cpu information
Central Brain Identifier-cpu information
Everest-system information
SiSoft Sandra-system information
SpeedFan-hardware monitor
Memtest86-memory test
PowerMax-HDD test
3Dmark 06-3D game performance benchmark
Aquamark-performance benchmark
rthdribl-3D benchmark
Fraps-3D benchmark, fps viewer and screen recorder
Prime 95-cpu benchmarking
SuperPI-cpu benchmarking
CPU Rightmark-cpu overclock
Core Temp-cpu temperature
ATiTool-video overclock
ATI Tray Tools-Radeon tweaker
aTuner-GeForce and Radeontweaker
RivaTuner-video overclock
Nokia Monitor Test-monitor adjustmets
UDPixel-fix dead pixels
Games（游戏）
123 Free Solitaire-solitaire games collection
Arcade Pack-classic arcade games
Live For Speed-online racing simulator
Enigma-puzzle game
Freeciv-multiplayer strategy game
Tux Racer-race down steep, snow-covered mountains
其它、壁纸、教育
Education（教育）
SpeQ Mathematics-mathematics program
Dia-diagram creation program
Google Earth-explore the world
NASA World Wind-3D virtual globe
Celestia-explore the space
Stellarium-planetarium
Miscellaneous（其它）
nLite-Build your own custom Windows disk
Virtual PC-create virtual machines
grabMotion-webcam capture
iDaily-simple page-for-a-day diary
Pivot Stickfigure Animator-create stick-figure animations
Wink-create presentations
Scribus-professional page layout
FreeMind-midn mapping software
Windows Live Writer-WYSIWYG blog authoring
Wallpapers（壁纸）
Michael Swanson-1920 x 1200; 1600 x 1200; amazing wallpapers
Mikhail Arkhipov-1920 x 1200; 1600 x 1200; amazing wallpapers