One time

Name
Description
Link
Free Bitcoins
Just captcha and go.
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Bitcoin Bonus
0.005 BTC. You have to register, set your Bitcoin address in account settings and use the bonus named "Get 5 DoBits when you register at Bitcoin Bonus"
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Bitcoin Faucet
0.002 BTC for every visitor. You need to have a Google account.
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Regular payout (free)

Name
Description
Link
Bitcoin tree
They say that money doesn't grow on trees... here it does!
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Virtual Faucet
Take coins every half hour
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El Bitcoin Gratis
Spanish faucet
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Bunny Run
Select winning Bunny and get BTC as reward.
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Bitcoins.so
Rarely has enough funds.
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BitCrate
Get random prize every day. RARELY has enough BTC in the pool.
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DailyBtc
Free scratch-off every day
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FaucetBTC
Free coins every 30 minutes
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FreeBTC4all
Free btc every half hour
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Can Has Bitcoin
Free BTC
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Bitcoin Faucet
Free bitcoins every 12 hours.
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Bitcoins4.me
Every hour
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BTCflow
Completely free BTC! Daily payments, up to 1800 satoshis and sometimes even more.
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BTC 4 You
Bitcoins every 30 minutes
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Freebtc.com
Amount depends on pool.
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Freebitcoins.me
2 µBTC every 30 min.
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The Free Bitcoins
1.5 µBTC every 30 min.
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Coinslot
0.001 BTC. ONLY 50 payouts a day.
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CoinAd
0.0003 BTC guaranteed. Refresh page (MANY times) to get 0.001 or even 0.002 BTC.
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Bitcoin Addict
0.00015 BTC guaranteed and a small chance to get 0.01 BTC (jackpot).
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Daily Bitcoins
0.0001 BTC guaranteed. Bigger prizes are also available (check here). They pay out every hour!
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Netlookup Free Bitcoins
0.00002 BTC (approx.)
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BitHits
0.00001 BTC for each submit.
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Paperco.in Faucet
0.0007
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BTCFree
0.0001 BTC, sometimes doesn't have enough BTC in the pool.
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Oscry
0.0001 BTC
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Bitcoin Dispenser
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MyCryptCoin
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Five Minute Coin
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Action needed (completing offers, watching ads etc.)

Name
Description
Link
BitcoinGet
Get paid bitcoins every time you watch a video or complete a task.
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BTC4Free
Get BTC for completing offers, filling surveys, watching videos etc. You need 1000 mBTC (1 BTC) for payout. 100 mBTC on start for free.
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BitVisit
Earn bitcoins for watching websites. You need a valid bitcoin wallet with a minimum of .0001 BTC in it to register.
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Bitcoin Services
Earn Bitcoins by completing offers or surveys.
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Earn Free Bitcoins
Bitcoins for viewing webpages.
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BitCoin4YOU.net
Bitcoins for viewing webpages.
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Free Digital Money
Bitcoins for trying apps, filling surveys, viewing ads etc.
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bbitcoin
Bitcoins for completing offers (thanks Ricky [twitter.com] for that one).
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Bitvisitor
0.0005 - 0.00008 BTC (approx.) per visited site. You have to stay at each site for at least 5 minutes.
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CoinTube.TV
0.0004 - 0.0001 BTC (approx.) per watched video.
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Bitcoin for Captchas
0.0001 BTC for every reCAPTCHA solved. Sometimes you have to wait a few days, but you will get your payment.
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Tagpad
0.0001 BTC for every public bookmark in tagpad (up to 10 every day). They pay only for "quality links". More info here.
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Bitcoinboosting
Earn free Bitcoins by boosting Youtube likes/subscribes, Facebook likes, Twitter follows, or Soundcloud likes.
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Feed Ze Birds
Get BTC for retweeting (price depends on the number of followers you have). You need at least 0.01 BTC for payout and that's HARD to get with current prices.
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Others

Name
Description
Link
Skude.se/BTC
Site that makes it more convenient to collect hourly and daily rewards from a handfull of services (Bitcoiner included!)
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CoinURL
Get BTC for people clicking your links!
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Bitcoin Dispenser
Free bitcoin lottery. 1 BTC or 100 BTC reward.
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MemoryDealers
0.01 BTC for liking their page, their facebook page and posting Bitcoin address on facebook.
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Bitcoin Tribe
0.001 BTC for Joining, posting a Bitcoin address and clicking the advertisement at the bottom of the site.
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Getbitcoins.info
Free bitcoin lottery.
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