MyBrocard - Brocard allows you to create an unlimited number of virtual cards for paying for advertising and other online payments, manage a team of buyers, choose from 20+ bins for various tasks, and enjoy convenient API for integrations.
Really Good Emails - A large collection of good product email design.
Coinramp - The Coinramp Card lets you spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards
Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
PST.NET - Virtual payment cards for online shopping and advertising
Good Email Copy - Email copy from great companies.