Bitcoin Faucets are basically Websites that let you Claim a fraction of a Bitcoin in a specific timeframe. On FreeBitcoin which is also by far the biggest Faucet, you can Claim between 0,002$-200$ worth of Bitcoins every 60 minutes.
You have a lot of very good & legit Free Bitcoin PTC Sites! We can highly recommend Coinpayu, Cointiply, adBTC, and BTC CLICKS as these ptc sites that pay bitcoin showed us over the Years that they are Trusted!