Open source alternatives to HubSpot

Erxes

Open-source growth platform for customer-centric teams

Erxes is an Experience Operating System (XOS) that unifies marketing, sales, operations, and support. Replace HubSpot, Zendesk, Linear, Wix and more with one platform.

Frappe CRM

Open-source CRM that puts simplicity and control first

Frappe CRM is a fully featured, open source CRM built on the Frappe framework. Simple, powerful, and customizable for your sales team.

Relaticle

Modern open-source CRM that grows with your business

Relaticle is an open-source CRM with native AI agent support. 30 MCP tools, REST API, self-hosted. Built with Laravel and Filament.