BareMetrics - SaaS Analytics for Stripe
Evercontact - Your contacts always up to date and automatically with Evercontact.
Salesforce Data.com - Data.com provides company profiles and contact information across millions of businesses worldwide.
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Stunning - Dunning emails, failed payments, churn prevention, event notifications, custom HTML receipts and more for Stripe subscriptions, with iPhone app and push notifications
CRM-gx - Contact Management