What are some alternatives?
When comparing Astro and Hunter, you can also consider the following products
Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
Lusha - Find Professional Contact Information on. Social Networks. Lusha's Chrome extension automatically scans the profile page you are visiting and provides additional, valuable contact information. LEARN MORE.
CleanEmail - CleanEmail is an online service that empowers you to take control of your mailbox.
Snovio - With Snovio you can find emails, verify them and run your email campaigns within minutes.
MailClark - The Slack bot for external communications
Clearbit - Clearbit provides Business Intelligence APIs