Improver - Improver Chrome extension helps you to find personal email addresses from social networks.
ShoutOUT - All in one business texting tool to send personalized alerts, promotions, reminders, short links and marketing campaigns, for any SMEs (hotels, restaurants, education, non profits, Woocommerce, banks, healthcare, agencies, supermarkets, weddings)
Hunter - Find all the email addresses related to a domain
Trumpia - SMS Marketing and Marketing Automation software for Mass SMS, internal communications & emergency alerts. #1 Text Messaging Service used by Fortune 500s.
Swordfish AI - Number 1 cell phone and email finder! Works on LinkedIn, Facebook, Twitter, Github, Stack Overflow and more!
Clickatell - Simple, reliable mobile messaging cloud.