Hunter - Find all the email addresses related to a domain

CoinArbitrage - Crypto Currency Price Monitor in Real time with Alerts and Notification through email, sms, Desktop Notifications Instantly and watch all of your assets and coins in one place with 16 Exchanges, 6500+ Coin (bitcoin, etherum, dogecoin,litecoin,ripple)

Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...

Icypeas - This email finder has the capacity to bypass catch-alls

ICO Watch List - A place for finding new projects and products that are raising funds via initial coin offering.