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.
imapsync - Console-based utility for migrating IMAP mailboxes.
Hunter - Find all the email addresses related to a domain
MailStore - MailStore Home - A 100% free single-private-user desktop solution
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Fetchmail - The Fetchmail Project
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.