Lists of games which support free trial periods

A list, I am compiling with your help, of games that have free trial periods.

The longest I am aware of is my own favorite, Ryzom, which has a 21 day trial period.  Yes, I am opening plugging this game.

http://www.ryzom.com/en/

Other lists I have found you can browse in no particular order

http://play-free-online-games.com/games/games_rpg.html

MMOhut has a list of free (completely free) games here

http://mmohut.com/

And a list of free trials here

http://mmohut.com/free-trials

and here’s another set, but this is a top ten list

http://www.onlinemassivelymultiplayer.com/mmos/top-10-free-mmorpg-trials-hd-video-screenshots/