ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.
Holded - Business management software with top class invoicing, accounting, inventory and crm with projects in a a super intuitive single platform that suits every business.
Dolibarr - Dolibarr ERP CRM is an Open Source software package for small, medium or large companies, freelancers or foundations to manage business. It's a PHP project built by modules addition (invoice, proposal, contact, stock, order, hr, agenda. .
Quipu - Online invoicing software for freelancers and SMBs.
Odoo - An all-integrated business app suite to unleash your growth potential.
QuickBooks - Business runs better with QuickBooks, the #1 accounting solution for small business.