Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Biticker - Ticker, price graph, currency converter and price desktop notifications for Bitcoin and more.
KiteDesk - Use KiteDesk sales prospecting software to generate leads from our premium data marketplace. Then reach prospects and build a sales pipeline with organized Lead Lists. Syncs direct with CRM too!
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
BuiltWith - Find out the technology behind websites
Valuta+ - Valuta+ is a super simple & free currency converter. The interface is fast and makes you convert exchange rates very easily. This app have more than 160+ currencies for you and is always updated.