Savage: The Battle For Neweth Paid $30 for serial now they made it FREEWARE http://www.savagegame.tk/ official site:http://www.s2games.com/savage/index.php?page=savageindex
MapleStory is a fun free mmorpg. It may seem a little childish but it has given me alot of happy hours infront of the comp xD EDIT: forgot the link. http://www.mapleglobal.com/
I don´t know if this was mentioned before, but here it is: http://www.onrpg.com/ftopic136.html It´s a list of the best free or forever beta mmorpg´s
I apologize if this game has been mentioned already but here, it's called AdventureQuest. Its a pretty nice flash RPG, great for killing time. http://www.battleon.com/default.asp