In a nutshell: Hack Club’s in-house platform1 for its [fiscal sponsorship program][wikipedia] for high schoolers-led clubs, hackathons and nonprofits, previously Hack Club Bank
benefits
restricted fund under a US 501(c)(3) legal entity with dedicated account details on Column
note that Direct Debit is disabled on these accounts, so you have to manually transfer funds back to Stripe for refunds
dedicated point of contact with 24-hour SLA on weekdays via email/HC Slack (for high schoolers and alumni)
discounts and perks from its partners (see Perks page once activated)
most non-profit programs from companies like Google don’t allow fiscally-sponsored orgs due to requirements like DUNS number and other things
tech stack (currently not open-source at the moment)[^2]