Grisbi - Accounting for everyone !
Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!
Ledger-cli.org - Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line.
Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution
Gnuaccounting - Gnuaccounting is a Free Java cross-platform accounting and bookkeeping application. Features
Odoo Point of Sale - Odoo is an online point of sale solution for retail and restaurants.