Elucify - A completely free software tool that uses crowdsourced data to find business email addresses

AeroLeads - AeroLeads is a lead generation software which finds prospects with email and phone number.

eTrigue - Real-time Sales Acceleration & Marketing Automation Solution

GrowBots - Grow your SaaS faster with automated customer acquisition

BuiltWith - Find out the technology behind websites

Prospect.io - Prospecting, like a boss. Find any email, reach out, measure everything and integrate with your CRM.