What are some alternatives?
SAP Business Suite - SAP S/4HANA is a next-generation, intelligent ERP business suite designed specifically for in-memory computing.
Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.
OpenPapyrus - The enterprise management system OpenPapyrus
Zoho CRM - Flexible CRM for Small Business
Odoo - Free ERP and CRM. Download Odoo or use it in the cloud. Grow Your Business.
ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.