PST.NET - Virtual payment cards for online shopping and advertising
Glassfy - Build, manage, and grow in-app subscriptions. Glassfy is the infrastructure (open source SDK, backend, dashboard) to integrate subscriptions in minutes, manage products & permissions remotely, check real time metrics, and remotely configure paywalls.
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
RevenueCat - In-app subscriptions made easy
EPN.net - Virtual cards for any advertising accounts and personal purchases
Qonversion - The subscription data platform for mobile-first companies