Good community:
-Tremulous (FPS, Free *room based*)
-Darkness and Light (RTS, Free *room based*)
-DOMO (MMORPG usual clicker, Free)
-Homeworld2 (RTS, B2P *Room Based not realy and MMO but it has capabilities
*)
-Age of Armor (Clicker, F2P)
Meh communities:
-Upshift (Raceing, Free)
-Flyff (Usual clicker RPG, Free)
-RF online (Clicker with a hint of spicy action, Free)
-WarRock (FPS, *room based* pretty good community for a FPS)
-GunBound (Gahh... what genre is this... IDK.. well it is like worms, F2P)
-Exteel (another surprisingly good community for a free FPS)
Horrible communities :
GunZ
Spring Project
Rumble Fighter (OMG why do i keep playing this)
Last chaos
Knights Online ( NOW THIS COMMUNITY SUCKS BALLZ there is not Enough Virtual memory in this forum for me to express how BAD the community in this game is)
Solder front (no coment)
Drift city
Rakion (YES IT IS BAD)
Ok here is the list of the MMO i have played and how is the community in each, Enjoy.