BareMetrics - SaaS Analytics for Stripe
Hunter - Find all the email addresses related to a domain
Salesforce Data.com - Data.com provides company profiles and contact information across millions of businesses worldwide.
Snov.io - More leads. More sales. More revenue.
Stunning - Dunning emails, failed payments, churn prevention, event notifications, custom HTML receipts and more for Stripe subscriptions, with iPhone app and push notifications
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.