Payable - Easily manage and pay your contractors

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

OpenSourceBilling - OpenSourceBilling (OSB) is a super simple way to create and send invoices and receive payments...

Solo - Personal kanban boards hosted on your own server

Stilt - Free US bank account and card for Immigrants

Cash App - The easy way to send, spend, bank, and invest.