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Open source alternatives to HubSpot[012]

HubSpot bundles CRM, marketing automation, email campaigns, sales pipelines and customer service tooling in one hosted suite. Below are 12 self-hostable open source alternatives, ranked by GitHub popularity.

// OTHER№ 001
Odoo

Odoo

★ FEATUREDPYTHON

Odoo. Open Source Apps To Grow Your Business.

★ STARS

50.5k

⑂ FORKS

32.3k

OPEN PROJECT→
// OTHER№ 002
Twenty

Twenty

★ FEATUREDTYPESCRIPT

Open Source CRM

★ STARS

45.6k

⑂ FORKS

6.3k

OPEN PROJECT→
// OTHER№ 003
ERPNext

ERPNext

★ FEATUREDPYTHON

Free and Open Source Enterprise Resource Planning (ERP)

★ STARS

33.7k

⑂ FORKS

11.2k

OPEN PROJECT→
// DEVOPS№ 004
Krayin

Krayin

BLADE

Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management.

★ STARS

22.5k

⑂ FORKS

1.5k

OPEN PROJECT→
// COMMUNICATION№ 005
Mautic

Mautic

PHP

Open Source Marketing Automation Software.

★ STARS

9.6k

⑂ FORKS

3.3k

OPEN PROJECT→
// DEVELOPER TOOLS№ 006
Erxes

Erxes

TYPESCRIPT

Experience Operating System (XOS) that unifies marketing, sales, operations, and support — run your core business seamlessly while replacing HubSpot, Zendesk, Linear, Wix and more.

★ STARS

4.0k

⑂ FORKS

1.3k

OPEN PROJECT→
// ANALYTICS№ 007
ever-gauzy

ever-gauzy

TYPESCRIPT

Ever Gauzy - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) -

★ STARS

3.7k

⑂ FORKS

766

OPEN PROJECT→
// DEVOPS№ 008
EspoCRM

EspoCRM

PHP

Open Source CRM Application

★ STARS

2.9k

⑂ FORKS

854

OPEN PROJECT→
// WEB FRAMEWORK№ 009
frappe-crm

frappe-crm

VUE

Fully featured, open source CRM

★ STARS

2.6k

⑂ FORKS

1.0k

OPEN PROJECT→
// DEVELOPER TOOLS№ 010
Comp AI

Comp AI

TYPESCRIPT

AI Native platform to get companies compliant - Vanta & Drata Alternative

★ STARS

1.5k

⑂ FORKS

303

OPEN PROJECT→
// ANALYTICS№ 011
Relaticle

Relaticle

PHP

Open-source CRM with native AI agent support. 30 MCP tools, REST API, self-hosted. Built with Laravel & Filament

★ STARS

1.3k

⑂ FORKS

139

OPEN PROJECT→
// WEB FRAMEWORK№ 012
atomic-crm

atomic-crm

TYPESCRIPT

A full-featured CRM built with React, shadcn/ui, and Supabase.

★ STARS

970

⑂ FORKS

646

OPEN PROJECT→

// EDITOR'S TAKE

Nothing here replaces all of HubSpot, so most teams pair a CRM with Mautic for the campaign and email automation side. Twenty is the best-looking modern CRM but still young, EspoCRM is the dependable choice with workflows and reporting already built in, and Odoo covers the widest surface if you accept running an ERP to get a sales pipeline.

// FREQUENTLY ASKED

What is the best open source HubSpot alternative?

Odoo is the most popular open source HubSpot alternative by GitHub stars (50,539 stars). The other 11 options are ranked above.

Are these HubSpot alternatives self-hostable?

Yes — every project listed here is open source and runs on your own infrastructure. Click into a project to see its license, stars, language, and current health status.

Are they free?

All projects shown are free and open source. Check each project's license page for the terms — most are MIT, Apache 2.0, or AGPL.

// PART OF THESE COLLECTIONS

Best Open Source HubSpot Alternatives (12+ projects) | Open Source Startups