An open-source Ruby on Rails CRM platform for managing leads, contacts, opportunities, and campaigns with group collaboration.
Fat Free CRM is an open-source customer relationship management platform built with Ruby on Rails. It helps businesses manage leads, contacts, opportunities, and campaigns while supporting team collaboration and customization through plugins. The platform provides a full-featured CRM solution that can be self-hosted and extended to fit specific organizational needs.
Small to medium-sized businesses, sales teams, and developers looking for a customizable, self-hosted CRM solution without the cost and lock-in of proprietary platforms.
It offers a fully open-source alternative to commercial CRMs with no licensing fees, extensive customization options via plugins and custom fields, and the flexibility to self-host on your own infrastructure while leveraging the Ruby on Rails ecosystem.
Ruby on Rails CRM platform
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No licensing fees and full source code access enable unlimited customization and self-hosting, aligning with its value proposition of avoiding proprietary lock-in.
Supports plugins for webhooks, time tracking, and record merging, allowing teams to add functionality without core modifications, as highlighted in the README.
Built on Ruby on Rails, it benefits from a mature framework with extensive libraries, making it familiar for Rails developers and easy to integrate with other Rails apps.
Active community contributions and a wiki for plugins encourage customization, with pull requests welcomed, fostering a collaborative open-source environment.
Installation requires specific Ruby versions, database setups, and has deprecated Windows support, creating a barrier for non-technical users or teams without DevOps resources.
The UI appears legacy-focused with server-rendered views, lacking modern frontend polish compared to newer CRM solutions that emphasize responsive design and interactivity.
While plugins exist, the ecosystem is smaller than commercial alternatives, often necessitating custom development for advanced integrations or niche features.
The README notes that tests take a while to run, indicating potential performance bottlenecks, and self-hosting requires ongoing updates and security management.
fat-free-crm is an open-source alternative to the following products:
Salesforce is a cloud-based customer relationship management (CRM) platform that helps businesses manage sales, customer service, marketing, and analytics.
Zoho CRM is a cloud-based customer relationship management software that helps businesses manage sales, marketing, customer support, and inventory in a unified platform.
HubSpot is a comprehensive customer relationship management (CRM) platform that provides tools for marketing, sales, customer service, and content management to help businesses grow.