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Best open-source CRM

The best open-source CRM in the c17.io catalog is Twenty, with Krayin CRM as the Laravel path and YetiForce or Aureus ERP when you need a fuller suite. Agent CRM is the headless option for coding agents. Self-host the box on Railway and drop the HubSpot or Salesforce seat meter — see /stacks/twenty-crm.

Open the stackStart on Railway

Ranked picks

  1. 1

    Twenty

    Modern TypeScript CRM already wired as the c17 HubSpot/Salesforce stack.

    When to pick it: A pipeline, companies, and people you can fork.

  2. 2

    Krayin Crm

    Open-source Laravel CRM for leads, contacts, and activities.

    When to pick it: Teams that already live in PHP/Laravel.

  3. 3

    Yetiforce

    Open-source CRM/ERP suite listed in the catalog when a pipeline-only tool is too small.

    When to pick it: ERP-shaped sales ops, not just a deal board.

  4. 4

    Aureus Erp

    Open-source ERP with CRM for growing businesses.

    When to pick it: Inventory and books alongside the pipeline.

  5. 5

    Agent Crm

    Headless CRM aimed at Claude and Codex rather than a classic UI.

    When to pick it: Agent-driven pipelines.

    118 stars in the catalog

How they compare

ToolLicenseSelf-hostBest for
TwentyNot listedMediumA pipeline, companies, and people you can fork.
Krayin CrmNot listedMediumTeams that already live in PHP/Laravel.
YetiforceNot listedMediumERP-shaped sales ops, not just a deal board.
Aureus ErpNot listedMediumInventory and books alongside the pipeline.
Agent CrmNot listedMediumAgent-driven pipelines.

Related pages

FAQ

What does "best" mean here?
Ranked from the public c17.io catalog and the Twenty CRM stack we already publish. We do not invent star counts or prices — only catalog fields and stack facts.
Are these free?
The listed tools are open source or fair-code. You still pay hosting (Railway or any VPS) and any APIs you call. Template users never pay c17.
How do I deploy a CRM?
Open the Twenty CRM stack, copy the agent prompt, and start on Railway. Twenty or Krayin plus n8n is the published combo.
What about EspoCRM?
EspoCRM is named on the stack page but is not a listed catalog row, so it does not appear in this ranking.

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