EspoCRM is an Open Source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type. People, companies, projects or opportunities. Written in PHP and JavaScript.




Fat Free CRM is described as 'Lets small businesses organize and maintain information on all of their customer relations. It provides management of corporate information such as customer contacts, customer accounts, sales leads, and sales opportunities' and is a CRM system in the office & productivity category. There are more than 25 alternatives to Fat Free CRM for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and Android apps. The best Fat Free CRM alternative is EspoCRM , which is both free and Open Source. Other great apps like Fat Free CRM are Twenty CRM, Zoho CRM, Krayin - Laravel CRM and Jetpack CRM.
EspoCRM is an Open Source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type. People, companies, projects or opportunities. Written in PHP and JavaScript.




Open-source CRM combining advanced features, sleek intuitive interface, secure user-controlled data management, team collaboration, user-driven customization, and freedom from vendor lock-in, suitable for small and medium-sized businesses seeking flexibility.




On-demand CRM software that enables efficient management of sales, marketing, customer support, and orders. Features include advanced workflows for scaling, real-time customer engagement, nuanced forecasting, deep BI capabilities, AI for email rewriting, and seamless integration.




Krayin is a Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management. It automates your organization’s Sales and Marketing Operations, as a result, exponential growth in sales.




Modular CRM designed for contact and lead management, with customizable sales dashboards, invoicing, email campaigns, WooCommerce integration, PayPal and Stripe payment support, automation features, GDPR compliance, mobile access, and multi-user roles.




Open source CRM based on Django for startups and enterprises. It's completely customizable and cloud hosting ready.

Sugar is a complete CRM solution that automates your core sales, customer service and marketing processes, with a focus on the individual.


Crust CRM is a 100% free and open-source CRM. It's fully featured and includes rich dashboards, automation rules (workflows), collaborative team messaging and much more. You can customise your CRM with the included low-code development platform.




Vtiger CRM is award-winning software used by small and medium sized businesses to grow sales, improve marketing ROI, and deliver great customer service.




SuiteCRM provides an enterprise-grade Customer Relationship Management (CRM) application to a global community of users and software developers. It is a robust and credible alternative to Salesforce, Microsoft and the major CRM vendors.

Group-Office is an enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients. Easy to use and fully customizable.



