Community currency

https://en.wikipedia.org/wiki/Community_currency

Eventbrite

Discover Great Events or Create Your Own & Sell Tickets

Braintree Payments

An all-in-one solution to accept, process, and split payments in your mobile app or online – from small business to large enterprise.

OpenCollective

A New Form of Association, Transparent by Design

Patreon

Patreon is a membership platform that makes it easy for artists and creators to get paid. Join over 50,000 creators earning salaries from over 1,000,000 monthly patrons.

Service Finance

Chargebee: Subscription Billing & Recurring Payments Software

Chargebee lets you automate your recurring billing, manage subscriptions at scale and access metrics that matter.

Service Payment Finance

Cobudget!

Cobudget makes it easy for organizations and groups to allocate funds collaboratively and transparently.

Platform Finance