Join Freebitcoin sites and start earning free bitcoins.... 
 
Top sites
These 3 sites are my top picks. They are very easy to use. They have paid me multiply times. And you will earn quickly with them.

http://freebitco.in/?r=229537
This is actually my favorite site for earning bitcoins. You can win free bitcoins every hour. After sign up just enter the code or capture and press "roll" you will win everytime!  A countdown will then start to the next hour you can play again. The yellow number in the top right corner is your bitcoin balance. 

you also have the option of gambling your bitcoin winnings in the "provably fair HI-LO game", under the Multiply BTC tab.  Payments are made automatically every Monday into your Bitcoin wallet.

http://www.bitvisitor.com/?ref=1FMAx3ia1Hwg6sSwS1tH3wwPqaoQ5xpb5j
Just view ads for 5 minutes to earn bitcoins of varying amounts. Cashout is paid automatically when you reach 100uBTC.

Get free Bitcoins every 30 minutes with http://www.coinbox.me/

This is a collection of sites, where after solving a capcha you earn free bitcoins. These sites can be visited again after 30 minutes. Payment will be sent automatically when you reach 0.00005500 BTC. They seem to be added more sites, so keep a look out for any new ones.