FusionInvoice - Self hosted invoicing for freelancers and small businesses
Sage Intacct - Intacct is a cloud-based accounting and financial management system that is designed for the businesses of all levels.
Invoice Ninja - Invoice Ninja is a free, open-source solution for invoicing and billing customers.
SAP ERP - SAP ERP is enterprise resource planning software developed by the German company SAP SE.
Bahaquote - Bahaquote offers complete online invoicing and billing software designed to seamlessly integrate with any business.
Odoo - An all-integrated business app suite to unleash your growth potential.