Zephyr CRM is described as 'Software that allows you to easily manage your business. Keep track of your clients, leads, employees, revenue and expenses. Everything you need in one easy-to-use software' and is a CRM system in the business & commerce category. There are more than 100 alternatives to Zephyr CRM, not only websites but also apps for a variety of platforms, including Windows, iPhone, Android and Mac apps. The best Zephyr CRM alternative is Odoo, which is both free and Open Source. Other great sites and apps similar to Zephyr CRM are Bitrix24, EspoCRM , Mautic and Pipedrive.