The following links are provided without any intention to claim ownership (hope this makes the lawyer types happy).  If you know of any other wargames or role playing games that are free on the 'net just let me know at tihald@msn.com.  Right now we have a grand total of 116 games listed below.  If you're interested in finding other games then let me suggest the following links (where many of these links came from)
         
          Eric's Compendium of Free Role Playing Games (rpgs of course)
          Web-Grognards (great site specialing in boardgames)
          The Society of Twentieth Century Wargamers (mostly miniatures)
          Wrexham and District Wargames Club (mostly miniatures)

• Battle for Moscow (the Third Reich drives on Moscow in 1941, boardgame)


• Advunced Peasants and Crapmongers (realistic role playing game of medieval life)


• Kaboom! (ever wonder what the figs did when you weren't there?)


• 1st Alamein (off to North Africa in a WWII boardgame)


• Deep Space Oblivion 6000 (starship combat boardgame, includes 3D rules)


• Astromachia (starship combat boardgame)


• Attack Vector (starship combat miniatures game)


• Basic Starship Combat System 1.0  (boardgame)


• Hexwar  (generic late 20th century boardgame)


• A Hotter Fire...  (US Civil War naval miniatures)


• The Scalable Starship Combat System (ships to fleets boardgame)


• The Stars Our Decimation (fleet actions w/Newtonian movement)


• Trierarch (ancients naval boardgame)


• Cowboys-N-Indians! (wild west miniatures? game)


• Sizzlin' Starships (generic miniatures starship game)


• Tank Commanders (generic simple armor miniature rules)


• Paradigm Shift (multi-genre role playing game)


• Digital Empires (freeware edition of a meta-genre miniature rules)


• La Petite Guerre (18th century miniature skirmish rules, esp. North America)


• Rencounter (small action rules from English Civil War to Zulu War)


• LNL-Laplace, Newton & Lagrange (starship combat boardgame w/ unique movement)


• Sovereign Seas Lite (naval boardgame rules for 1860-1870)


• War Times Journal (3 sets of miniature rules Republique, 1943 and 1916)


• Bekaa Blues (modern micro-armor rules for Lebanon 1982)


• Men Of Frost (WWII house clearing rules)


• Maxim to Minimi (20th century skirmish rules)


• Skirmish '90 (small unit rules 1915-2005)


• Quick-Play Low Intensity Warfare Campaign Rules (name says it all)


• Quiet, Ugly Men (low intensity warfare campaign rules)


• Vietnam War (company/battalion level rules 1963-1975)


• The Web Wargamer (Battle of Cowpens boardgame)


• DBA-ACW (modified DBA rules for the American Civil War)


• American War of Independence (covers Revolutionary War and French and Indian Wars)


• Is This Just Another Bug Hunt? (sci-fi miniature rules perfect for scenarios in Aliens or Starship Troopers)


• Bad Endings (Medieval skirmish miniature rules)


• Colonial Rules (15mm miniature rules)


• DivTac (divisional miniature rules for WWII)


• Go In and Sink (modern naval miniature rules ~1950 to ~1960)


• Lion of the North (mid 17th century tactical combat)


• Lion of the North: Haiduk and Ratjar (Eastern European supplement for LotN)


• Guts (Dark Age and Fantasy man to man combat system)


• Quick and Dirty (WWII aerial combat)


• Seven Years War (miniature rules)


• The Zulu Wars (colonial miniature rules)


• Tet a Tet (house to house fighting during the Tet Offensive)


• Steer for the Third Star on the Left (starship miniature rules, campaign rules)


• Where's Charlie? (Vietnam miniature rules)


• Rat Six (tunnel fighting rules for Vietnam)


• Ten Rounds Rapid (20mm rules for WWII and Korea, amendments)


• Ten Rounds Rapid - Modern (20mm fast play modern rules)


• Ten Rounds Rapid - White Heat of Change (20mm WWI rules)


• De Bellis Italicis (DBA Renaissance variant)


• Colonial DBM (19th century colonial DBM)


• De Bellis Indica (DBM rules for India in 18th and 19th century)


• De Bellis Zulus and Vorrtrekkers (DBM variant)


• One If By Land (Revolutionary War miniature rules)


• DBM Napoleonics (Four choices  1  2  3  4  )


• DBWW2 (DBM goes to World War II)


• SLUG (Simple, Laid-back Universal Game, an rpg)


• Powergame 5.0 (superhero rpg)


• Mutant Bikers of the Atomic Wastelands (post apocalypse rpg)


• GAME (Greatly Abbreviated Mechanics, Etc rpg)


• SAGA (Simple And Generic Adventures rpg)


• OPIGS (One Page GAmIng System rpg)


• OPIGS Supers (superhero rpg supplement for OPIGS)


• Heavy Ordnance (a Reflex System rpg)


• GENRE (a multi genre rpg)


• D.C.S. (simple customizable rpg)


• Phantasm (magic in the modern world rpg)


• Stellae Cognitae (sci-fi rpg)


• Archeus (fantasy rpg)


• GRAPE (Generic Roleplaying All Purpose Engine)


• The Guide to Adventure (multi genre rpg)


• SPARK (superhero rpg)


• Toaster (multi genre rpg)


• Tchalrria (cross of a sci-fi and fantasy rpg)


• Bad Attitudes (action movie rpg)


• Syndicate (dark future rpg)


• Through the Looking Glass (genreless rpg)


• RIP (mostly fantasy rpg)


• TUGS (The Universal Game System, sci-fi rpg)


• Iron Empire (19th century rpg with technology greatly advanced)


• Neverwhere (unique rpg set below modern London)


• Lucky 13 (generic rpg)


• HardSuit (post apocalypse rpg with combat armor)


• Evolution (so you wanna be a god.....)


• Vox Draconis (rpg of dinos, dragons and men)


• Wing Commander RPG


• Kimagure Orange Road RPG (anime rpg)


• Bostonia (fantasy rpg in the far post apocalypse future)


• The Iridium System (fantasy rpg)


• Darker Days (rpg set in the dark future of 2031)


• Transcendence (dark fantasy rpg)


• New World: Gaia (sci-fi colonizing rpg)


• Ballad of a Greater Earth (post apocalypse fantasy rpg)


• Outlaw of the Water Margin (Chinese fantasy rpg)


• Thrash (martial arts rpg)


• Alternacy, The Roleplaying System (universal rpg)


• Fuzion (free rules from R Talsorian Games)


• Lego Fantasy War Game


• Prestidigitator:  The Unpronouncable (parody of magic rpgs)


• Voyages in Eternity (multi genre computer assisted rpg)


• EPIC (fantasy rpg)


• Dagenthir (German rpg)


• Shadowmasters 2.0 (based on Chronicles of Amber)


• Heroic Do-Gooders & Dastardly Deed-Doers (modern action rpg with  superpowers and high technology)


• ForeSight (generic rpg)


• Fantasized Adventures (fantasy rpg)


• Risus: The Anything RPG (generic rpg lite)


• Terras (fantasy rpg)


• Freespace (space opera/superhero rpg)