Payum / Payum

PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.

zonelessdev / zoneless

Open-source Stripe alternative for stablecoins. Checkout, subscriptions, and marketplace payouts. Stripe-compatible API. Your very own payments stack with no fees.

Stellar-Kolo / kolo-contracts

Kolo's Rust Soroban contracts on Stellar for community savings circles, rotational contributions, ordered payouts, and goal-based savings.

PayrollFlow / awesome-freelancer-payments

A curated list of tools, methods, and resources for getting paid as a freelancer or contractor - international transfers, digital wallets, and USDT (TRC20/ERC20/BEP20) payouts.