Atomic CRM vs Krayin CRM

Atomic CRM is a focused, open-source sales CRM built on React, Shadcn UI, and Supabase, with an optional managed hosting plan from its maintainer Marmelab.…

Best for Atomic CRM: Teams on a modern JavaScript/Supabase stack that want a focused sales pipeline CRM with SSO (Google, Azure, Keycloak, Auth0) and an MCP Server for AI assistant integration, with the option of managed hosting from €25/month.
Best for Krayin CRM: Organizations that already run PHP/Laravel infrastructure and want marketing automation (campaigns, email marketing, segmentation) and customer support (VoIP, live chat) bundled into the same free, self-hosted CRM.

At a Glance

 Atomic CRMKrayin CRM
Primary categoryCRMCRM
RatingNot documentedNot documented
Pricing modelFreemiumOpen Source
Starting priceFree (self-hosted); €25/month (Starter, managed)Free
Free planYesNot documented
Free trialNot documentedNot documented
PlatformsNot documentedWeb
Team collaborationNot documentedNot documented
AI featuresYesNot documented
Public APIYesYes

Key Differences

Technology Stack

Atomic CRM: Atomic CRM is built on React, TypeScript, Shadcn UI, and Supabase (Postgres-based backend).

Krayin CRM: Krayin CRM is built on Laravel (PHP), maintained by Webkul.

Self-hosting either tool requires infrastructure and skills matching its stack, which affects setup and maintenance cost.

Built-In Marketing and Support Modules

Atomic CRM: Atomic CRM's documented features focus on sales pipeline, contacts, and tasks, without built-in marketing automation or a support/VoIP module.

Krayin CRM: Krayin bundles marketing automation (campaign management, email marketing, customer segmentation) and customer support (VoIP, live chat, multi-channel feedback) directly into the CRM.

A CRM with built-in marketing and support tooling can reduce the number of separate systems a small team needs to run.

Managed Hosting

Atomic CRM: Atomic CRM offers first-party managed plans directly from Marmelab: Starter at €25/month and Team at €50/month.

Krayin CRM: Krayin has no first-party managed-cloud pricing page; Webkul's separate Cloudkul service and third-party hosts offer managed setups instead.

A first-party managed option simplifies procurement and support compared to going through a separate hosting vendor.

AI and MCP Integration

Atomic CRM: Atomic CRM includes an MCP Server for connecting AI assistants to CRM data.

Krayin CRM: Krayin's facts don't document AI or MCP features.

MCP support is increasingly relevant for teams building AI-assisted workflows on top of CRM data.

Community Scale and Extensions

Atomic CRM: Atomic CRM's facts don't cite a specific GitHub star count or extension ecosystem.

Krayin CRM: Krayin has a large GitHub community (23,000+ stars) with official extensions for VoIP, multi-tenant SaaS, and Google Workspace sync.

A larger open-source community and extension catalog can mean more available integrations and faster bug fixes.

Feature-by-Feature

CRM Core

FeatureAtomic CRMKrayin CRM
Sales pipeline/deal trackingAvailableAvailable
Contact/lead trackingAvailableAvailable
Custom fieldsNot documentedAvailable
Access control listsNot documentedAvailable

Marketing & Support

FeatureAtomic CRMKrayin CRM
Marketing automation/campaignsUnavailableAvailable
Email marketingUnavailableAvailable
Live chat/VoIP supportUnavailableAvailable
Multi-channel messaging (WhatsApp, Facebook, WeChat, Skype)UnavailableAvailable

Deployment & Extensibility

FeatureAtomic CRMKrayin CRM
Self-hostingAvailableAvailable
First-party managed cloud plansAvailableUnavailable
SSOAvailableNot documented
MCP Server/AI integrationAvailableNot documented

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

Atomic CRM

Free (self-hosted) — Free N/A
Starter — €25/month Monthly
Team — €50/month Monthly
Enterprise — Custom Custom

Krayin CRM

Open Source Core — Free N/A
Premium Extensions — From $1,499 (one-time) One-time purchase

Pros & Cons

Atomic CRM

Pros

  • Fully open source with complete source-code transparency
  • Self-hostable for full data ownership and no vendor lock-in
  • Modern, actively maintained tech stack (React, Supabase, TypeScript)
  • AI-assisted customization via Claude Code integration

Cons

  • A newer product (2024) with a smaller ecosystem than established CRMs
  • Self-hosting requires technical setup and ongoing maintenance
  • Some enterprise features like SSO are tied to managed/paid plans

Krayin CRM

Pros

  • Core CRM is entirely free under the MIT License with no per-user fees
  • Built on the modern, widely known Laravel and Vue.js stack for easy customization
  • Includes product catalog and quoting features often missing from other free CRMs
  • Backed by Webkul, an established software company with a track record supporting Bagisto
  • Full data ownership through self-hosting rather than a vendor-hosted SaaS instance

Cons

  • Self-hosting requires technical resources to deploy, secure and maintain the server
  • Premium extensions like WhatsApp and VoIP integration carry significant one-time costs
  • Smaller plugin ecosystem than more established open-source CRMs like SuiteCRM
  • No official managed cloud-hosted version directly from Krayin for non-technical teams
  • Newer project (launched 2021) with a smaller long-term track record than older competitors

Use Cases

Choose Atomic CRM: Teams on a modern JavaScript/Supabase stack that want a focused sales pipeline CRM with SSO (Google, Azure, Keycloak, Auth0) and an MCP Server for AI assistant integration, with the option of managed hosting from €25/month.
Choose Krayin CRM: Organizations that already run PHP/Laravel infrastructure and want marketing automation (campaigns, email marketing, segmentation) and customer support (VoIP, live chat) bundled into the same free, self-hosted CRM.
Need both: Running both in production would be redundant since they overlap heavily as self-hosted CRM alternatives; a technical team might instead pilot both (Atomic CRM if they run Supabase, Krayin if they run Laravel/PHP) before standardizing on one platform.

Atomic CRM

  • Customizable self-hosted CRM — Technical teams self-host and modify Atomic CRM to fit their exact sales process.
  • Managed CRM without lock-in — Small businesses use the managed hosting option to avoid running infrastructure while retaining data ownership.

Krayin CRM

  • Self-hosted sales pipeline management — SMEs deploy Krayin on their own infrastructure to manage leads and deals without per-user SaaS fees.
  • Agency white-label CRM — Digital agencies use Krayin's multi-tenant SaaS module to offer a branded CRM product to their own clients.
  • Custom CRM development — Laravel developers extend Krayin's open-source codebase to build a fully customized CRM for specific business needs.

Frequently Asked Questions

Which is better for marketing automation, Atomic CRM or Krayin?

Krayin bundles marketing automation (campaigns, email marketing, segmentation) directly into the CRM; Atomic CRM's documented features don't include a marketing automation module.

What's the tech stack difference between the two?

Atomic CRM is built on React, TypeScript, Shadcn UI, and Supabase. Krayin CRM is built on Laravel (PHP).

Does Atomic CRM offer managed hosting?

Yes, Marmelab offers managed plans starting at €25/month (Starter, 1,000 contacts) up to €50/month (Team, 10,000 contacts).

Is Krayin really free?

Yes, Krayin is fully open source under the MIT license and free to self-host.

Does either CRM include AI features?

Atomic CRM includes an MCP Server for AI assistant integration; Krayin's facts don't document AI features.

Which CRM supports single sign-on?

Atomic CRM documents SSO support via Google, Azure, Keycloak, and Auth0. Krayin's facts don't document SSO.

Read the full Atomic CRM review · Read the full Krayin CRM review