Really Good Emails - A large collection of good product email design.
Revenual - Aggregated sales reports for app makers 💵
Good Sales Emails - Best sales emails from great companies
Zapier Developer Platform - Integrate with 750+ Apps Overnight
Great Email Copy - A dose of emails from around the web.
Stripe Revenue Recognition - Stripe Revenue Recognition simplifies accrual accounting so you can close your books quickly and accurately.