ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.
Xero - Xero is online accounting for your small business.
Odoo - An all-integrated business app suite to unleash your growth potential.
Datamolino - Process all invoices without retyping. We turn your invoices into structured electronic documents, that you can import directly into your accounting system.
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. .
DOKKA.com - The Future has Arrived: Accounting Process Automation