Lusha is a continuously updating database that provides B2B Salespeople with targeted, accurate, and timely business information. Lusha aggregates its data from multiple sources, cross-checking and updating LIVE to ensure up-to-the-minute data accuracy and database cleanliness.
Hunter - Find all the email addresses related to a domain
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.