YoBit lets you to claim FREE COINS from over 100 unique crypto-currencies, you complete a captcha one time and claim as many as coins you want from the available offers.

After you make about 20-30 claims, you complete the captcha and proceed to claiming.

You can click on claim as much as 30 times per one captcha.

The coins will stored in your account, and you can convert them to Bitcoins or any other currency you want.