Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Closers HQ - Send unlimited cold emails from unlimited mailboxes.
Lead Forensics - B2B website analytics and lead generation.
Hunter - Find all the email addresses related to a domain
FindThatLead Prospector - Feed your sales team with daily leads.