Salesforce is described as 'Powerful CRM platform for holistic customer management, offering cloud-based solutions for sales, services, marketing, and real-time analytics' and is a CRM system in the business & commerce category. There are more than 100 alternatives to Salesforce for a variety of platforms, including Web-based, SaaS, iPhone, Android and Windows apps. The best Salesforce alternative is Odoo, which is both free and Open Source. Other great apps like Salesforce are ERPNext, HubSpot, Dolibarr and Zoho CRM.