Improver - Improver Chrome extension helps you to find personal email addresses from social networks.
SignalHire - Valid personal & work emails and phone numbers. Real-time verified contact info for recruiters, sales professionals, and marketeers.
RevDriver Powered by SalesIntel - RevDriver by SalesIntel is a free chrome extension for quickly finding and exporting the contact information on a LinkedIn Profile or company’s website.
Ampliz Sales Buddy - Data to power your business
Lusha - Search less. Sell more.
Swordfish AI - Number 1 cell phone and email finder! Works on LinkedIn, Facebook, Twitter, Github, Stack Overflow and more!