Alternativer til Project Open til Windows S med open source-licens

• Windows S
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) PHP Python Windows Mobile FreeBSD Solaris MySQL Community Edition MariaDB Oracle Database PostgreSQL Odoo ERPNext SugarCRM SAP Business Suite Vtiger CRM
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens