BareMetrics - SaaS Analytics for Stripe
Marvel Embeds - Embed interactive prototypes on any site (including Medium!)
Salesforce Data.com - Data.com provides company profiles and contact information across millions of businesses worldwide.
Upscribe - Embeddable lead generation forms for Medium
Stunning - Dunning emails, failed payments, churn prevention, event notifications, custom HTML receipts and more for Stripe subscriptions, with iPhone app and push notifications
PingPoint - Never miss a Mark Zuckerberg signup to your app ever again