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Krayin vs Fat Free CRM

A side-by-side comparison of two self-hosted crm & business apps options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
KR Krayin Free and open-source Laravel-based CRM VS FA Fat Free CRM Ruby on Rails open-source customer relationship manager
FeatureKrayinFat Free CRM
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score97 · Excellent86 · Excellent
CategoryCRM & Business AppsCRM & Business Apps
LicenseMITMIT
LanguagePHPRuby
Setup difficultyMediumMedium
Min. RAM1,024 MB1,024 MB
Deploymentdocker, bare-metaldocker, bare-metal
GitHub stars★ 23,938★ 3,632
First released20202008
ReplacesSalesforce, HubSpotSalesforce

What are Krayin and Fat Free CRM?

Krayin

Krayin is a free and open-source CRM built on Laravel, offering lead management, contacts, and sales pipelines. It targets small businesses wanting a lightweight PHP CRM. It is deployed via Docker or a PHP stack.

  • Lead and pipeline management
  • Contact and activity tracking
  • Built on Laravel
  • Email integration

Read the full Krayin guide →

Fat Free CRM

Fat Free CRM is an open-source, Ruby on Rails based customer relationship management platform. It offers group collaboration, campaign and lead management, contact lists, and an opportunity pipeline out of the box.

  • Lead and campaign management
  • Contact and account lists
  • Opportunity pipeline
  • Group collaboration

Krayin vs Fat Free CRM: key differences

Krayin is written in PHP, while Fat Free CRM is built with Ruby. Fat Free CRM is the more established project (first released 2008), while Krayin arrived in 2020. Krayin has the considerably larger community, at 23,938 GitHub stars versus 3,632.

Why pick each one

Choose Krayin if…

  • Lightweight CRM
  • Laravel-based and extensible
  • Open source

Watch out for

  • Smaller community
  • Fewer features than big CRMs
Krayin details

Choose Fat Free CRM if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Active community (3.6k GitHub stars)
  • Written in Ruby

Watch out for

  • Dated interface
  • Slower development
Fat Free CRM details

Frequently asked questions

Is Krayin or Fat Free CRM better?

Neither is universally better. Krayin has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Krayin and Fat Free CRM free and open-source?

Yes. Krayin is licensed under MIT and Fat Free CRM under MIT. Both can be self-hosted at no software cost.

Can I run Krayin and Fat Free CRM with Docker?

Krayin: yes. Fat Free CRM: yes.

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