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Additive CRM vs Fat Free CRM
Annual estimate10 people, entry price
Free
Offer
No offer right now
No offer right now
Product
CRM and marketing platform designed for the hospitality industry, helping hotels manage guest relationships and run targeted marketing campaigns.
Open-source Ruby on Rails CRM platform for technical teams wanting self-hosted lead and contact management.
Headquarters
Brixen, Italy
Chicago, Illinois
Company size
51-200 employees
2-10 employees
Free options
Free trial
Free plan
Source updated
Oct 29, 2026
Nov 2, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
Customer evidence
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