Betcoin.ag, fortunejack and satoshigames from recently. Swc I didn't use until now, I need to try that soon, do they have free rolls tournaments?
Fortune jack have nice tournaments, and couple free rolls every day, its nice sometimes to play free roll, and to just enjoy in game and maybe win something without risking your own money.
For higher profit you will need to put your own money, that is how it works. On fortune jack and betcoin you always have active cash game tables. I wish you good luck.
I have tried with fortunejack.com site, it is very cool and fast site , even when playing in freerolls, it is very fast and you can find lot of users who are playing in bitcoins table also. Their are high rack playing table also. Now i have to check with other sites as i am very keen in playing poker.