NakaBot Faucet (0.0001 BTC) One time only, gains additional claim every 24 hours playing NakaBot.
bitcoincaptcha (0.0001 BTC) Every CAPTCHA solved.
goxkeygen (varies) One time only?
yougotcoin (0.001 BTC) Every 24 hours, must have facebook account.
TenDrawBTC (scratch off ticket, 0.001 BTC) Every 12 hours.
bitcoiner (0.00005 BTC) Every 24 hours.
Bunnyrun (0.00005+ BTC) Every 24 hours.