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.
Robinhood - Free stock trading service.
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
Alpaca Fractional Trading API - Commission-free API to trade & invest for as little as $1
PST.NET - Virtual payment cards for online shopping and advertising
Richie Invest - An app that lets you invest with your friends