Top Sites
BitVisitor
BitVisitor pays you bitcoin for visiting websites. BitVisitor shows you each website for 5 minutes (during which time you can check out the site), and pays you for each site you visit. Between sites, you're required to enter a captcha.
CoinTube is a simple service where you can earn free bitcoin by watching videos and entering captcha checks.
Bitcoin Get is a crowdsourced bitcoin site. What this means is that once you've created an account, you can complete a variety of tasks (perform web tasks, watch videos, etc.), and get paid in bitcoin for doing so. One of the best free bitcoin sites around.
I Want Free Bitcoins is a site that pays you bitcoin for completing various offers. These tend to include things like: playing a simple web game for a few minutes, filling out a Facebook survey, etc. There are a mix of offers the site supports, so there's quite a lot of variety.
CoinVisitor pays you bitcoin for viewing websites and solving captcha challenges. What's great about this service is that you only need to view the sites for 10 seconds at a time, so it's a quick process.
Like BitVisitor, Earn Free Bitcoins pays you bitcoin for visiting websites.
This is another site viewing service, through which you visit sites for 3 minutes at a time, and receive a small amount of bitcoin for each website view.
BitBin is a pastebin service which allows you to share snippets of text (usually programming code) publicly, and shares the site's ad revenue with you (in Bitcoin) based on the amount of views your snippets get.
Once you've created an account, Free BTC allows you to watch videos in your browser and earn bitcoin for each video watched. The site has a lot of content, which makes it easy to earn some free bitcoin.
This service allows you to complete various tasks in exchange for bitcoin. They have an enormous variety of tasks, so you have plenty of options to choose from.
Rugatu is a question and answer site, which awards bitcoin to the person whose answer has been chosen.
Bitcoin Services is another free bitcoin site which allows you to complete offers (some free, some paid), answer surveys, and download software to earn bitcoin. You can also watch videos to earn bitcoin (although, they seem to have a limited quantity).
Half Hourly Sites
A funny looking free bitcoin site. Much like many of the other sites listed, enter your bitcoin address, solve the captcha, and get some free bitcoin.
Free bitcoin after passing a captcha check.
Another simple free bitcoin site.
One of the better looking free bitcoin sites: enter your bitcoin address and pass the captcha check, and earn some bitcoin.
Yet another simple free bitcoin site, similar to the above.
Fill out the captch and enter your bitcoin address to receive a small amount of free bitcoin.
Hourly Sites
This is a great site. Once you register, you're able to 'play the game' every hour, which gives you a shot to win free bitcoin. Playing the game consists of entering a captcha check, which rolls the dice, and wins you either a small (or large) amount of bitcoin. It seems as though most of the time when you roll, you win a small amount of bitcoin.
Enter your bitcoin address and pass a captcha check, and you'll get a small amount of bitcoin.
Another simple free bitcoin site that requires passing a captcha check.
Despite the name 'Daily Bitcoins', this service gives you a small amount of bitcoin for free every hour.
Half Daily Sites
After passing a simple captcha check BitcoinAR will send you a small amount of free bitcoin.
Daily Sites
BitHits gives you a small amount of bitcoin -- no captcha required.
Enter your bitcoin address and solve a captcha, and you might win the daily jackpot.
Enter your bitcoin address and solve a captcha to get a small amount of bitcoin. The payout varies by the hour.
This site lets you pick a bunny in a virtual race, and pays you a small amount of bitcoin depending on which place your bunny comes in.
Like some of the sites above, Bitcoin Tree gives you a small amount of bitcoin after you pass a captcha check.
Vote for your favorite wallpaper and receive a small amount of free bitcoin.
One Time Sites
This service sends you SMS messages (no more than 2 per month) advertising bitcoin related services, and, in turn, gives you free bitcoin.
This service pays you a small amount of bitcoin for answering a captcha check.
This service pays you a small amount of bitcoin for answering a captcha check. (Almost idential to the service above.)
Send this bot a message on Twitter with your bitcoin address, and it'll send you some bitcoin :)
This service sends you .0005 BTC after you've verified an email address with them. They won't use your email for anything other than verification, so don't worry about spam! This is currently one of the best free bitcoin sites out there.
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