ReferralMagic - Turn your users and customers into referral magnets.
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.
AffiliateWP - A powerful affiliate marketing solution for WordPress.
PST.NET - Virtual payment cards for online shopping and advertising
Echo - Golang HTTP server framework
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