Open Source Alternatives to HubSpot

Atomic CRM

MIT

Build a customizable CRM that matches your company's vision, designed for developers and loved by end users.

Erxes

Unknown

All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.

EspoCRM

AGPL-3.0

Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.

Ever Gauzy

AGPL-3.0

All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Frappe CRM

AGPL-3.0

A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.

Krayin

MIT

Open source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.

Odoo

Unknown

Integrated suite of business apps covering accounting, CRM, inventory, eCommerce, HR, and project management, available free as Community or paid Enterprise edition.

Relaticle

AGPL-3.0

Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.

Twenty

AGPL-3.0

Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.

ERPNext

GPL-3.0

Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.

Mautic

Unknown

Mautic is a free and open source marketing automation platform that helps businesses manage leads, create campaigns, and analyze results.