Sage 50 is described as 'Comprehensive solution for managing customer contacts, inventory, sales, and projects with real-time data and customizable vendor management' and is a inventory management tool in the business & commerce category. There are more than 100 alternatives to Sage 50 for a variety of platforms, including Web-based, Windows, Linux, Mac and Android apps. The best Sage 50 alternative is GnuCash, which is both free and Open Source. Other great apps like Sage 50 are Odoo, ERPNext, Dolibarr and Paisa - Personal Finance Manager.