Heap CRM is described as 'Keeps all or your contacts, messages, e-mails, files, events, tasks and much more all together. Use our automation tools to follow-up on prospects automatically through E-Mail or Google Docs. With Heap CRM you always know what is happening in your small business' and is a CRM system in the business & commerce category. There are more than 50 alternatives to Heap CRM, not only websites but also apps for a variety of platforms, including Windows, Android, iPhone and SaaS apps. The best Heap CRM alternative is EspoCRM , which is both free and Open Source. Other great sites and apps similar to Heap CRM are Mautic, Zoho CRM, Salesforce and Streak CRM.