List of Free MMORPGames, Open Source and Open Source MMORPGames on the internet
Planetarion – is a game based in space. The idea is to build your planet and fleets to impressive sizes in order to crush you enemies on your own or with the help of allies.
Travian – Build your empire, settle new towns and then fight your way to victory. Join your allies in defeating the enemy with this 2d map based game.
Utopia – is great game with a fantasy twist. Develop your kingdom and construct a wide range of buildings each help your with your goal. Whether it you decide to conquest, thieve or destroy your enemies with magic. Join together with allies to conquer all.
Open Source Games (Game code that is available to download and use)
FreeCiv –is a free turn-based multiplayer strategy game, in which each player becomes the leader of a civilization, fighting to obtain the ultimate goal: To become the greatest civilization.
FreeCol - is an open version of Colonization. It is a Civilization-like game in which the player has to conquer the new world.
OpenTTD – is a an open source clone of the popular game Transport Tycoon Delux
Open Source MMORPGames (links to code)
Daimonin - http://sourceforge.net/projects/daimonin/
Shadow Rising - http://sourceforge.net/projects/shadowsrising/
SolarImperium - http://sourceforge.net/projects/solar/