Powerful Open source Softwares -- Performs better than Paid Softwares
Comodo AV: - A great free anti-virus. Just be sure to un-check firewall during install. Also turn off the registry changes once installed. *
Avast: Another free Anti-Virus software. Just as good as AVG. However this one is more system intensive than AVG or NOD.
Bitdefender: Popular anti-virus software- Free of charge. (Free- NOT real time scanning -only manual scanning)
ClamWin: Small and non-intrusive anti-virus. Like Bitdefender (Free- NOT real time scanning -only manual scanning)
AntiVir: An anti-virus that has been around for a long time - still free for home use.
NOD32: The absolute BEST anti-virus protection.
Kaspersky: A very sweet anti-virus software with a 30day trial. Be sure to JUST get the AV, not the full suite of bloatness.
TheCleaner: This finds/prevents trojan horses. This is on a 30day trial, however very recommended - try it.
DiamondCS: Many high-end programs for worm/Trojan detection, 30day trial.
Windowsecurity: Free online Trojan scanner.
Ad-Aware SE: Great for getting rid of spyware and malware - the items that can cause annoying pop-ups.
SpyBot: Similar to Ad-Aware, however more aggressive. Clean up spyware and hijack attempts.
SpyCatcher: Active Protection. One of the most advanced antispyware solution available as a free service.
AVG AntiSpyware : Clean annoying malware such as spyware, Trojans and hijackers. Great compliment to an anti-virus.
MalwareBytes: Since programs like Ad-Aware have become.. crap, this is a GREAT replacement for cleaning.
CounterSpy: Probably the best shield against spyware. The best database cleaner there is. Period. 30day trial.
Comodo BOClean: This is more of a "real time" (run the the background) anti-spyware. Not a fan of TSR's, but this works.
ComboFix: Takes care of many hijacking software - run if you get many pop-ups/redirecting pages.
HijackThis: Tool to find out if there is "hijack" software on your system. Use the logfile analyzer if your not sure.
SuperAntiSpyware: A popular antispyware for cleaning infected machines.
KillBox: Very nice for taking care of "Abetterinternet" and other n00bish software.
a² free: This bridges the gap with anti-virus and malware. This free scanner cleans Trojans, worms, spyware (all malware).
SpywareBlaster: Active prevention against spyware, adware, browser hijackers and dialers.
HitmanPro2: Incorporates all major Anti-Spyware software and updates/runs them all for you. Too cool.
WinDiz: Windows updates with FireFox. Great if ActiveX is damaged by spyware.
POPfile: Perfect/Free ani-Spam tool. Involved installation, but once it's set - it's good.
IHateSpam: For Exchange (V5.5, 2000 and 2003) was uniquely developed to be both user and admin-friendly. 30day trial.
Spamihilator works between your E-Mail client and the net. Useless spam mails (Junk) will be filtered out.
SpamBayes: is a tool used to segregate unwanted mail (spam) from the mail you want (ham).
SpamPal: Mail classification program that separates your spam from the mail you really want to read.
OSpam: A great and simple spam solution for any POP account.
Tiny: Tiny is a free firewall. It is designed for the more advanced due to the heavy features included.
Comodo: Great little personal firewall. This is pretty new and robust.
OutPost: An Opensource based firewall. Works very well protecting against worms, trojans and hackers.
Kerio: Smart, easy-to-use personal security technology that fully protects PC's against hackers and internal misuse. The best.
Protowall: Very small application that blocks IP address. Very cool.
Prevx: Stops the attacks that bypass anti-virus and firewall products.
PowerCrypt 2000: Encrypted files, folders and E-mails. This free file lets you hide all your data.
PGP: "Pretty Good Privacy". Actually it's probably the best encryption software out there. Free - PC/MAC
Cryptainer LE: Secure your data and ensure absolute privacy with Cypherix's powerful 128bit encryption.
BitCrypt: A sophisticated tool allowing for encryption of plain text within a bitmap image.
EasyCrypto: Encrypt both standalone files and entire folders. Many cool options here.
Truecrypt: Free open-source disk encryption software for Windows XP/2000/2003.
MD5HashGen: Simple application that can generate one-way MD5 hashes - Great for password generations.
PerfectPasswords: GRC's Ultra High Security Password Generator.RoboForm: A free password manager and one-click web form filler. Just be carefull who uses your PC.
Password Safe: Allows you to have a different password for all the different items that you deal with - remembers for you.
CutePasswordManager: Form filling software that auto fill user/password. Stores info with 256-bit AES encryption - 1click login.
PIN's: Storing of any secure information like passwords, accounts, PINs etc. 448 bit Blowfish. Does not install.
Eraser: FBI just kick in the door? This little program will erase data to a level that the Dept. Of. Defense uses.
KillDisk: KillDisk conforms to US Department of Defense clearing and sanitizing standard DoD 5220.22-M.
AutoClave: Hard drive sterilization on a bootable floppy.
SuperShredder: Shred's individual files. It's stronger than DOD specs.
DBAN ("Darik's Boot and Nuke") is a self-contained boot floppy that makes it an appropriate utility data destruction.
Anonymizer: Installs a small toolbar into your browser. Moves your connection to proxies around the word. Slows connection.
Proxify.com Spoof your IP address without installing software. The paid version is much faster.
Monitor System Resources
SpeedFan: Allows you to see your CPU temperature. Good for overclockers and modders.
Motherboard Monitor: Like speedfan, reads temperature and fan RPM data - alerts you when there's trouble.
Si Meter: Great/free/small application that does live monitoring on system resources.
TDIMon: Lets you monitor TCP and UDP activity on your local system.
InterMapper: Gives a visual in real-time view of traffic flows through and between critical network devices and links.
WinBar: A compact program that lets you monitor your system and provides easy access to frequently used controls.
RegSupreme: Clean up the registry from old entries, speed up your system. 30day trial.
RegSeeker: Very tiny - does not install. I have tested this and trust it. Many tweak options with it.
RegscrubXP: A great free registry cleaner for XP. Fix those "weird issues" with Windows.
Beclean: is the complete suite of system cleaner. Registry to history - cleans many things.
CCleaner: Removes unused and temporary files from your PC - allowing it to run faster, more efficiently and saving space.
MyUninstaller 1.0: Uninstall anything,clean out old video drivers, uninstall programs that are not in "add/remove".
DriverCleaner: Made to fully clean out the drivers of ATI and NVIDIA.
MSconfig: Get rid of startup programs that slow your PC down. This would be for Windows 2000.
Starter: It's better than Msconfig. Also works with Windows 2000, which is nice due to the fact that 2k doesn't have msconfig.
PreFetch cleaner: A pre-fetch scrubber to clean out files that are used commonly - can be corruption or spyware hiding.
Belarc: Takes a snap-shot about a PC (hardware-software) with a full profile report. This is very handy.
SIW: A small .exe that when ran - gives you all kinds of info about your PC and software. Need this on your tools disk.
PcpBios: Very tiny script that looks at all BIOS related information. RAM, CPU and motherboard instant info.
EVEREST: (recently AIDA32). Like Belarc, gives full system summary of hardware and software/keys.
SpaceMonger: A tool for keeping track of the free space on your computer. It shows a graph of files and sizes.
IP subnet calculator: A diagnostics tool to calculate your network latency and subnet information.
CPUid: A very small application that tells you about your specific specs. (FSB, core clock, dual channel etc.).
PC Pitstop: A good site to check how your doing on fine tuning your computer. It will also help you fix your issues.
PowerMax: Diagnostics for hard drives made by Maxtor. Download, put on a floppy or CD and test your HDD.
MemTest86: Diagnostics for your RAM. Download, put on a floppy or Cd and test your RAM.
Monitor Asset Manager: A Plug and Play monitor information utility. Provide detailed technical information about the target display.
ShieldsUP: Port scanning of all ports or custom scans. See how good your firewall is doing.
BandwidthTest: Test your internet connection speed.
TweakUI: Perfect for somebody who really wants to customize there XP. Made my Microsoft
X-Setup: Like TweakUI but with more functionality and options. Very slick.
ResourceHacker: Get in and really tweak or fix Windows. Great registry GUI hacking.
RenameRecycleBin: I made this registry value in notepad, download/double-click/"yes"/throw away, rename your recycle bin.
Matrix Screensaver: Best (only) Matrix screensaver out on the web. Great options. Here is actual text (change name for you)
FOOOD's Icons: Great free icons for XP. Default is boring.
Strokit: Advanced mouse gesture recognition engine and command processor.
ReForce: Windows 2k and XP have an issue with Hz in games. This will allow you to set all games at a specific Hz setting.
Keyboard Remapper: Remap your keyboard keys. Easy enough.
ClocX: Analog clock for the desktop.
Xpadder: Map your game pad or RC TX to keyboard keys. Wokrs great for customized controllers.
Alarm: A digital clock that you can set to display a message and play a sound at a time of your choice. AlarmClock
WeatherPlus: Display satellite images and video around the globe, stay updated on current and expected weather conditions.
Nlite: Remove or add Windows components to your Windows CD - for next time you re-install Windows.
AutoStreamer: Just like Nlite, this is specifically for adding Service Packs to your Windows install CD's.
Digital Blasphemy: Probably the best wallpapers and images on the net.
Konfabulator: Engine that lets you run little files called Widgets that can do pretty much whatever you want them to.
File Recovery: This is free software made by PC Inspector. Really, Really nice if you lost or trashed a file and need it back.
Smart Recovery: Recover data from flash drives: CF, SM, Thumbdrives, micro drives - etc.
Disk Investigator: Discover all that is hidden on your computer hard disk, recover lost data.
File Scavenger: Undelete and data recovery utility for NTFS volumes. 64KB or smaller files can be recovered with free trial.
CDCheck: Utility for the prevention, detection and recovery of damaged files on CD-ROMs and error detection.
Restoration: Tiny program that doesn't install. Perfect if you trashed a file (even emptied the recycle bin) and you need it back.
RecoverOutlookMail: A little trick for recovering those corrupted .PST files.
FireFox: Drop Internet Explorer and get a superior browser. Check out the add-ons.
Google Chrome: A great webkit based browser by Google. Very fast.
Opera: If you don't use FireFox, use Opera. Now that it is free and Ad-free - it is now recommended.
Safari: Apples web browser now for Windows. Great web browser next to Firefox.
Reload Every: Extension for FireFox. Allows you to set reload times on your browser windows so you won't be logged out.
FileZilla: An FTP program that is superior to "Cute", and is Free.
WinSCP: Open source SFTP client for Windows using SSH and SCP protocol's. Secure FTP.
FireFTP: If you use FireFox browser (like you should be) - use this plug-in for FTP functionality in your browser.
Hamachi: Setup two or more computers with an Internet connection into their own virtual network for direct secure communication. How-to's
FolderShare: Securely keep files synchronized between your devices and remotely download your files from any browser.
LogMeIn: Easy to log into a PC from a PC, MAC or linux machine. No port forwarding involved! Just like terminal services but easier.
Avvenu: Remote connect to your PC from another PC or any web-enabled handheld. Perfect for getting those files you forgot.
Crossloop: Secure screen sharing utility designed for people of all technical skill levels. Basically, TightVNC but no port forwarding needed.
TightVNC: Remote control software- see the desktop of a remote machine and control it with your local mouse and keyboard.
RemoteDesktop: Microsoft remote desktop client side installer for older Windows versions.
RDPortX: A small app I made to change the defualt 3389 port that Remote Desktop ueses. Great for multiple RD servers on the same network.
eMando: Client/server package which you can use to control and manage a computer over a LAN or the Internet.
DirectUpdate: Get an Email of your WAN IP address changes even behind a router (for dynamic ISP's). 60day trial ($15.00 - buy).
DynDNS: A full list of dynamic IP administration software tools.
CDBurner-XP Pro: Just like it sounds, burning program for Windows. Free.
ImageBurn: A lightweight CD / DVD / HD DVD / Blu-ray burning application.
ISORecorder: Small program to burn images of CD's. Once installed, right click an .ISO's or a ROM drive and "create CD image".
DeepBurner: A full featured Burning app for CD's, DVD's and ISO's. Much like Nero only totally ~~Free
LimeWire Pro : Great GNU file sharing application. Never pay for this type of software.
Shareaza: Like kazaa, however it combines all good P2P networks into one. This is an open source application (GPL).
uTorrent: A great torrent client to download "items". Offers multiple torrent downloads, queuing/priority systems.
Skype: Make phone calls for free (VOIP). Sounds better than your normal phone.
HFS: This is an instant HTTP web server. Very tiny. File server and web server - easy to setup GUI.
Pando: Personal P2P software that makes sending and receiving large files a breeze
OpenWengo: Phone calls and video chat from PC to PC. (for free). Also supports SIP.
Orb: Stream all your live and recorded TV, your photos and your music to any web-connected device. Secure login to your drive content.
iTalk2U: Basically like Skype, but with some advanced features. WebClick2Call is great for site admin's.
Gizmo: Internet telephone. Like Skype however better quality and custom add-ons. More options and cheaper to call normal phones.
Trillian: Perfect for friends and family who use different instant messaging clients. This combines them all into one.
Pidgin: The Open Source AOL IM client -but without the ad's. Combines IM clients all into one.
Jabber: Open protocol instant messenger. Setup your own internal server. Great universal client.
GoogleTalk: Much like GAIM and Skype. With VOIP and mail capabilities. (It will add a TSR for itself - fyi)
TeamSpeak: Talk to one another with voice. 1on1 or a bunch of people. Great for multi-player games.
AllSeeingEye: (ASE)- Find your friends playing any popular multi-player game.
XFire: Like "Messenger", however for gamers. Find your friends and join the game they are playing- all in real time.
Agent Newsreader: The best newsreader there is. free
Juice: Great "pod casting" software. Subscribe to some good audio. Don't every pay for podcast software.
Miranda: A multi protocol instant messenger client. Very tiny - does not install. Great for portable USB drives.
OpenOffice: Free Office suite and is back-ward compatible with Microsoft Office docs. (It's better too). Templates. Templates 2.
OpenOffice Extensions: Tons of add-ons for OpenOffice. Why even use Microsof Office?
NolaPro: web-based accounting. POS system that is just great. Using open standards.
Palm Organizer: Now have the awesome Palm organizer for Windows. Easy to use and nice for free. (choose PalmV in the list)
7-Zip: A file archiver with high compression ratio. OpenSource GPL. Much better than WinZIP. Free no ad's.
DOCX Convert: Convert the annoying proprietary X format to a nicer format. Ignore the "Tune up Your PC" - it's spyware.
IZark: IZArc is the ultimate archive utility supports many archive formats. Supports most formats. Bit bigger downlaod than 7-Zip.
PDFcreator: Create PDF's. Download a ghostscript and the patch - print to PDF.
Foxit Reader: Reader/viewer/printer for PDF documents - has a size less than 1M, needs no installation and opens up immediately.
ThunderBird: ThunderBird replaces that Outlook mail client with a real mailbox.
SunBird: Want the nice calendar in Office 2003? This stand-alone calendar is very sweet. Or just get the Thunderbird calendaradd-in.
TinySpell: A very small application that spell checks for you while you type anywhere - I need it. ;)
Google Calendar: Online calendar that can be shared with clients, friends and family. Easy to print, share and modify.
AceMoney: A freeware personal finance manager. Like MS Money or Quickbooks - free.
ESBCalc: is a Freeware Scientific Calculator.
FireFox remiders: Tiny Firefox extention for easy reminders through the day. Very handy (aways on - no extra TSR).
Thunderbird minimize to tray: Great extension to make Thunderbird run in system tray- not task bar.
OnsiteTag: I created this for onsite tagging use. It's what we use to do field work and tag work orders. *
BackRex: Outlook Express and Outlook backup tool. Most features in the free version.
Mozbackup: Simple utility for creating backups of Firefox, Thunderbird profiles. It allows you to backup and restore bookmarks, mail, contacts, history etc.
IMAPSize: A great tool to transfer Thunderbird e-mail to Outlook/Outlook Express (not sure why you would - but it's here).
NasBackup: Is a great backup solution. Designed to be easy for end desktop users, yet scalable to enterprise setups.
DriverBackup: finds and collects the drivers for the hardware. After it collects them, the program backs them up to a specific folder.
CopyX: This little customizable backup/copy utility is in Windows by default - but this makes things easy.
Gmail Drive: If you have a Gmail account you can use this to create a drive on your system to drag-n-drop files for backup.
Box.NET: A free data storage that is online and can be accessed anywhere in the world. 1GB is free. Works perfect.
Cobian Backup: Backup program that can be used to schedule and backup your files - drives, directories and FTP.
SyncBack: Powerful program that backups and synchronizes your files to: same drive, different drive, CDRW, Network, Zip.
SyncToy: Customizable application helps you copy, move, rename, and delete files between folders and PC's. Automated sync as in "RAID1".
Replicator: Automatically backup files, directories, even entire drives!
HTTrack: Download a web site from the net to a local directory, building all directories, getting HTML, images and files from the server.
Comodo BackUp: Easily create backup copies of files. Includes complete file and folder-duplication to local network drives and FTP servers.
Text Editors/HTML Editors/Development
Crimson Editor: is a professional source code editor for Windows.
jEdit: A mature and well-designed programmer's text editor that has been in development for over 5 years
Vim: Highly configurable text editor built to enable efficient text editing. - voted best text editor
Notepad++: Source code editor and Notepad replacement, which supports several programming languages
Matrix Y2K: A free and very slick GUI Website builder like Dreamweaver.
Nvu: Web editing environment based on the Mozilla platform and its Gecko layout engine.
FirstPage: HTML editing software gives you unsurpassed freedom to create and edit web documents with absolute code control.
Jitterbit: Client and server designed to configure, test, and deploy integration solutions. Connect ERP and CRM data -ect.PHP DESIGNER 2006: A freeware IDE for coding PHP for both professional and novices.
Sun JSC: Sun Java Studio Creator development environment is the next-generation tool for Java application development.
Google WebToolKit: Java software development framework that makes writing AJAX applications (Google Maps,Gmail) easy.
Netbeans: Open-source project dedicated to providing rock solid software development products.
NSIS: A professional open-source tool for the development of Windows installers.
Zip2Secure: Create .ZIP into .EXE. Great for letting somebody download a self extracting zip. Even .ico icon settings.
MyGeneration: The free code generator / mapping and architectures tool.
SketchUp: Simple but powerful tool for quickly and easily creating, viewing and modifying your 3D ideas.
FreeMind: A mind-mapping software written in Java. Great for flow-charts, networks, layouts etc. (much like Graphviz).
Graphviz: A way of representing structural information as diagrams of abstract graphs and networks. Automatic graph drawing.
Maguma: Full-featured, modular Integrated Development Platform. Full feature set for PHP and Python, can be customized for your project.
FSRaid: Want to read and reconstruct your PAR files? Get it now.
WiGLE and Jwire: WiFi Access Locators. Before traveling, take a look at access points you can get on for free.
Stellarium: Planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
VirtualBox: A good free virtualization software much like Parallels. *
QuickTime Alternative: No need to download and install "QuickTime", use this instead. Much smaller application.
RealPlayer Alternative: Don't ever install "real one player", just use this instead.
MediaPlayerClassic: Slim down hacked version of old Media Player. Has pretty much all codecs - can play anything.
Democracy: Download and watch all the best internet TV shows and videos. RSS feeds including podcasts, video blogs, BitTorrent feeds.
VLC Player: VideoLan is a perfect DVD/Divx media player. Much like PowerDVD. The only video player needed for everything.
MediaMonkey: Very powerful media player. Much like iTunes, however this gives much more flexibility. Drag items back and forth from an iPod.
SongBird: A desktop Web player, a digital jukebox and Web browser mash-up. Supports extensions, built from Mozilla and open source.
iTunes: A digital jukebox with a download music store inside.
JetAudio: Play most all types of media files with internet broadcasting and a nice alarm clock.
MediaPortal: Turn your PC into a media center. Like Windows Media Center - but free.
MP3DirectCut: Fast and extensive audio editor and recorder for compressed mp3. No need to recompress.
SLD codec pack: All Dvix, Xvid etc. codecs combined in one install. Great for using Windows Media Player for these file types.
K-Lite: KL is a large "all-in-one" codec pack.
HandBrake: Great DVD ripping tool for OSX and Winodows. Rip DVDs to the hard drive.
FormatFactory: a multifunctional media converter.
FFmpeg: cross platform command-line encoding tool that powers many of the more popular graphical applications *
DVDFlick: Turn almost any video file and make it into a DVD to play on your DVD player (TV). Simple and easy.
CDex: A free tool allows you to Rip you CD's into MP3's.
DVDFab Decrypter: Rip DVD's to your hard drive. This will decrypted DVD's to files to be stored (as .VOB files).
DVD Shrink: Remove extra features and compress to fit a DVD (VOB file) to a single blank DVD.
DVDbackup: Free DVD backup tool.
dBpoweramp: Called the Swiss army knife of Audio. Rip and convert any CD into any format. Great app.
Super: A simple, yet very efficient tool to convert (encode) or play any Multimedia file. Easy-to-use with 1 simple click.
Bink Rad Video: Perfect tool to rip movie's into an executable player. End-users don't need special codecs to use.
VCDgear: Designed to extract MPEG streams from CD images, convert VCD files to MPEG, correct MPEG errors and more.
StaxRip: Easily convert your DVD's, DVB or DV captures or almost any other source format.
Dr. Divx 2.0: Unofficially the Official DivX encoding tool to create DivX media files for playback on DivX hardware and software players.
MediaCoder: Audio/video batch transcoder. Capable of transcoding among different audio/video formats with many extras.
EphPod: Manage your iPod music and more. Drag and drop music back and forth.
UnFREEz: Make animated .GIF's very easily and free.
Movie13: .GIF animator with 98 animation wizards including text and actor wizards.
GimpShop: Want PhotoShop but don't want to pay for it? Get GimpShop.
Paint.NET: Image and photo manipulation software designed to be used on computers that run Windows XP.
ArtRage: A painting package designed to provide a realistic and fun simulation of using paint on a canvas.
TuxPaint: It's like Photoshop for kids!. Very basic however much more powerful than Windows "Paint".
Inkscape: Open Source vector graphics editor - a powerful and convenient drawing tool.
MWSnap: For snapping (capturing) images from selected parts of the screen. Does not install. Very powerful.
ColorCop: Sample color - programs like firefox have color samplers, but you're limited to that program; with this you can select anything on your screen.
IrfanView: Modify, organize and add effects to almost any image format.
Picasa: Photo organizer that allows you to share photo's easily online with others- very powerful program made by Google.
Artweaver: Program for creative painting, i.e. Artweaver makes all artistic effects, which you need for your work.
Pivot: Make stick figure animations!. This is cool.Audacity: Audio/sound mixer, that is of course FREE.
AutoGK: Video compression and converting. Divx, Xvid and DVD support. (Like "Dr. Divx" as for understanding).
Wink: Make flash tutorials for websites or software "how-to's". 'Teach mom how to use OpenOffice by watching.'
Anim8or: A free "Maya" program. Very tight software that lets you make your own "Toy Story".
Blender: A free GNU 3D manipulation tool. Make movies and effects. Tutorials.
Avid: Perfect for students, DV camera owners, video enthusiasts or anyone exploring video editing.
Zwei-Stein: A non-linear, non-destructive video compositing and editing system which offers many advanced features.
DAZ|Studio: 3D figure posing and animation software package. Think Nvidia "Dawn" creation. (like).
ABC VideoRoll: Easy to use, free video editing. Company no longer exists and some experience bugs with it. Seems ok.
WAX: High performance and flexible video compositing and special effects software. Look at there other free software too!
VirtualDub: Great for capturing and editing your .AVI movies and converting to Divx. Many more features.
ZS4: Combine a variety of media types (currently photos, videos and audio files) into one (or more) output file(s).
Movica: a graphical user interface to edit .mpg and .wmv.
Doom9 and Videohelp: Both are great sites to get any other software/help you may need for video encoding.
|Enemy Territory: A free and great multi player FPS game. The best in my opinion. Find me [GF]Burke. (system intensive)|
Alien Arena: Free client for the online deathmatch. Game includes 26 levels across five different game modes. (system intensive)
Americas Army: A very good FPS game that is absolutely free. Play online, sharpen your skills. (system intensive)
Tux Racer: Race downhill on your belly. A solid and pretty game.
Frets on Fire: A free "Guitar Hero". Just turn your keyboard around and use it as a guitar. Very fun.
SuperTux: Basically it's Super Mario Bro's 3. Just the linux penguin instead of a plumber.
Desktop Tower Defense: A very fun flash game. It will suck hours from your day.
TankTrouble: This nice classic tank shooter brings back memories for a second, then you see new things - very fun
PitFighters: Accually, this is about to come out. Seems to be like CS or even Team Fortress type of play. (system intensive)
TurboTanks: Yes, "Tanks" from the Atari 2600. Web based (no install needed). Memories.
RumbleBox: A fast paced 3D action beat-em-up. Very interesting. Quite fun.
Netrek: multi-player battle simulation with a Star Trek theme, team-oriented strategy game with a first person perspective.
Pocket Tanks: Remember Gorilla with the bananas? This is an all new 3D graphical war with a friend or PC-Turn based fighting.
LinCity: Like SimCity? Well, this is the OpenSource free version. For all platforms. Fun times.
Civilization II: It's "just like" old skewl Civ. Under the GPL licence. Open is everything.
Battle for Wesnoth: A turn-based strategy game with a fantasy theme. Fight battles or take hand in any number of other adventures.
BZFlag: A free multiplayer battle tank action game. They even have a CTF leage.
Aqua Bubble: "Tetris like", launch colored bubbles to match like colors.
FlightGear: is an open-source, multi-platform flight simulator.
Head over Heels: More of a platformer (ala Mario). Graphic and cool.
Think Tanks: Comical fast action. Play against online buddies or against the PC.
Ricochet Xtreme: "Breakout" like. - Cool graphics.
SubmarineS: Blowing up stuff is cool.
Dark Throne: massively multiplayer online fantasy game you can play right through your web browser.
PacMan in the office: Yes, a "mini" Pac-Man game.
SolorWolf: is an action/arcade game written in Python. Gather blocks and avoid fireballs.
Many Flash games: Don't need to download or install, just fun flash games.
All free online multiplayer games. Well, here they are.