Free service that allows generating a QR code for your Bitcoin address public key.
Not Applicable 
$ 8.95
Free service that allows generating a QR code for your Bitcoin, Ethereum, Litecoin or other cryptocurrency address public key.
Not Applicable $ 8.95
ForaStat is a free tool which helps analyse websites and estimate valuation including such as Search Engine Reports, Traffic Reports, Social Engagement, Safety, Host Information, Domain WHOIS, Page Speed and much more.