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Affinity vs Fat Free CRM: 2026 Comparison

Affinity Fat Free CRM
Overview A relationship intelligence CRM designed for dealmakers in private capital, investment banking, and consulting. A lightweight open-source Ruby on Rails CRM application designed for small teams who want a simple self-hosted solution.
Pricing Subscription (Custom pricing) Freemium (Free (open source))
Key Features
  • Relationship intelligence
  • Automatic data capture
  • Deal management
  • Analytics
  • Email integration
  • Chrome extension
  • Alliances
  • Pipeline management
  • Contact management
  • Lead tracking
  • Opportunity management
  • Campaign tracking
  • Task management
  • User management
  • Custom fields
  • Tagging
Pros
  • Excellent relationship mapping
  • Automatic activity capture
  • Great for deal-driven firms
  • Strong analytics
  • Free and lightweight
  • Simple to use
  • Ruby on Rails based
  • Clean interface
Cons
  • Expensive
  • Niche use case
  • Limited marketing features
  • Not for general business use
  • No longer actively maintained
  • Very basic features
  • Small community
  • Limited integrations

Affinity

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Fat Free CRM

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