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Open source alternatives to Salesforce[011]

Salesforce provides enterprise CRM for sales, service and marketing, with customizable objects, workflow automation and an app ecosystem. Below are 11 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→
// DEVELOPER TOOLS№ 005
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№ 006
ever-gauzy

ever-gauzy

TYPESCRIPT

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

★ STARS

3.7k

⑂ FORKS

766

OPEN PROJECT→
// DEVOPS№ 007
EspoCRM

EspoCRM

PHP

Open Source CRM Application

★ STARS

2.9k

⑂ FORKS

854

OPEN PROJECT→
// WEB FRAMEWORK№ 008
frappe-crm

frappe-crm

VUE

Fully featured, open source CRM

★ STARS

2.6k

⑂ FORKS

1.0k

OPEN PROJECT→
// DEVELOPER TOOLS№ 009
Comp AI

Comp AI

TYPESCRIPT

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

★ STARS

1.5k

⑂ FORKS

303

OPEN PROJECT→
// ANALYTICS№ 010
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№ 011
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

Odoo comes closest to Salesforce's breadth, because its CRM sits inside a full business suite with quoting, invoicing and support, and its module marketplace is the nearest open source thing to AppExchange. ERPNext is the better fit for manufacturing and inventory-heavy companies, while EspoCRM is the honest pick if you only ever used Sales Cloud and want workflow rules without an ERP attached.

// FREQUENTLY ASKED

What is the best open source Salesforce alternative?

Odoo is the most popular open source Salesforce alternative by GitHub stars (50,539 stars). The other 10 options are ranked above.

Are these Salesforce 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 Salesforce Alternatives (11+ projects) | Open Source Startups