OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Extract Emails - Extract Email makes it so easy to create email mailing lists, catalogue contact information, and enjoy cross-platform accessibility.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Atomic Email Hunter - Atomic Email Hunter is an incredibly robust tool that specializes in extracting email addresses, along with usernames, from various webpages.
Braze - Braze is an engagement platform that empowers growth by helping marketing teams to build customer loyalty through mobile, omni channel customer experiences.
Scrape - Gather all website emails in seconds