IndieEarnr - 580+ Affiliate Programs for Indie Hackers & Creators
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.
Clever - syncing between education applications for K-12 schools
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
Early Stage Founders Playbook - Rated 5 out of 5 by indie-hackers and techie founders who love building features and feel hesitant about marketing.
PST.NET - Virtual payment cards for online shopping and advertising