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.
Gainful.io - Capture B2B leads on AngelList, CrunchBase and LinkedIn
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
Bumpsale - Sell your awesome digital product using incremental pricing
PST.NET - Virtual payment cards for online shopping and advertising
Prospect Stack - 100 ways to generate more prospects