OSI-licensed only · self-hostable
HubSpot bundles a CRM with marketing, sales and service tools. No single open-source project covers all of it, but there are solid open-source CRMs for contacts, deals and pipelines, and Mautic covers the marketing automation side.
Every project below is under an OSI-approved licence (AGPL-3.0, GPL-3.0, LGPL-3.0, MIT), checked against its repository. Some, like Twenty, keep a small enterprise-licensed portion alongside the open core, which is noted where it applies.
Licences checked against each repository on November 7, 2026.
| Tool | Best for | Licence | Runs as |
|---|---|---|---|
| Twenty | Modern, customisable CRM | AGPL-3.0 | Docker |
| SuiteCRM | Full-featured traditional CRM | AGPL-3.0 | Server |
| EspoCRM | Lightweight CRM for small teams | AGPL-3.0 | Server |
| Frappe CRM | Simple CRM in the Frappe ecosystem | AGPL-3.0 | Docker |
| Krayin CRM | Laravel-based CRM under MIT | MIT | Server |
| Mautic | Marketing automation and email campaigns | GPL-3.0 | Server |
| Odoo | CRM inside a wider business suite | LGPL-3.0 | Docker |
Best for: Modern, customisable CRM
A modern CRM with customisable objects, views and workflows. Most of the repository is AGPL-3.0; files marked Enterprise are under a commercial licence.
Best for: Full-featured traditional CRM
A mature open-source CRM covering sales, marketing and support workflows, written in PHP.
Best for: Lightweight CRM for small teams
An open-source CRM with a web UI, covering accounts, contacts, opportunities, cases and workflows. Written in PHP.
Best for: Simple CRM in the Frappe ecosystem
A CRM built on the Frappe framework, with leads, deals and activity tracking and a modern interface.
Best for: Laravel-based CRM under MIT
A free, open-source CRM built on Laravel and Vue, covering leads, quotes, contacts and activities.
Best for: Marketing automation and email campaigns
An open-source marketing automation platform for campaigns, landing pages, forms and contact segmentation.
Best for: CRM inside a wider business suite
The Community edition is LGPL-3.0 and includes a CRM app alongside sales, inventory and accounting modules. Some features are in the separate proprietary Enterprise edition.
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| If you need… | Start with |
|---|---|
| A modern CRM with custom objects | Twenty |
| A feature-rich traditional CRM | SuiteCRM |
| A lightweight CRM for a small team | EspoCRM or Frappe CRM |
| Email campaigns and automation | Mautic |
| CRM together with accounting and inventory | Odoo |
| Permissively licensed Laravel CRM | Krayin |
Quick answers to common questions
HubSpot is proprietary. Open-source projects cover its parts: SuiteCRM, EspoCRM and Twenty for CRM, and Mautic for marketing automation.
It depends on size and taste. Twenty is a modern option, SuiteCRM is feature-rich, and EspoCRM is easy to set up for small teams.
Mautic covers campaigns, forms, landing pages and segments, and it can be paired with any of the CRMs above.
HubSpot exports contacts and deals as CSV, and most of these CRMs import CSV. Associations and custom properties usually need manual mapping.
Not always. Several of these projects also sell hosted plans, which may be easier than running servers, but the open-source code lets you self-host if you want to.
List it on TechLogHub and we'll review it for this page.
