Open source CRM tools

7 open-source tools in this category.

Showing 7 results

Twenty

Twenty

AI-native open-source CRM — customize objects, workflows, and apps like code.

AGPL-3.0 alternative to Salesforce. GraphQL/REST API, custom objects, MCP server, and Docker self-hosting — from $9/user cloud or free self-hosted.

aicrmsaas
48.6K6.9KAGPL-3.0
vs Salesforce
Krayin

Krayin

Self-hosted Laravel CRM for leads, pipelines, and customer lifecycle management.

MIT-licensed alternative to Salesforce. Kanban leads, quotes, email sync, and modular extensions — built on Laravel and Vue.js for SMEs and enterprises.

crmenterpriselaravel
22.6K1.5KMIT
vs Salesforce
EspoCRM

EspoCRM

Simple, customizable open-source CRM — self-hosted since 2014.

AGPL-3.0 alternative to Salesforce. Leads, pipeline Kanban, email marketing, customer portal, and Entity Manager customization — Docker or manual install.

crmsaas
3K867AGPL-3.0
vs Salesforce
Frappe CRM

Frappe CRM

Fully featured open-source CRM — unlimited users, Frappe-powered.

AGPL-3.0 alternative to HubSpot from the ERPNext team. Lead/deal pipeline, SLA rules, email integration, and Vue.js UI — Frappe Cloud or Docker self-hosting.

crmsaas
2.8K1.1KAGPL-3.0
vs HubSpot
Open Mercato

Open Mercato

AI-engineering framework for CRM/ERP — start at 80% done.

MIT modular monolith with pre-built CRM, sales, and ERP modules. Architecture-aware AI harness, multi-tenant RBAC, and spec-first development for Cursor/Claude Code.

aicrmerp
1.3K281MIT
vs Salesforce
Relaticle

Relaticle

Self-hosted CRM with 30 MCP tools — built for AI agents.

AGPL-3.0 alternative to HubSpot with native MCP server and REST API. Laravel 12, Filament 5, 22 custom field types, and multi-team isolation.

aicrmlaravel
1.3K148AGPL-3.0
vs HubSpot
Atomic CRM

Atomic CRM

Full-featured CRM in React + Supabase — fork and deploy in minutes.

MIT CRM by Marmelab (React Admin). Contacts, deals Kanban, tasks, email capture — ~15k LOC with shadcn/ui, deploy to Supabase + GitHub Pages.

crmsaasreact
1K680MIT
vs Salesforce

This category covers self-hosted CRM platforms for managing leads, pipelines, and customer relationships — from lightweight single-purpose tools to AI-native, fully customizable systems.

If you want the most modern, customizable option, Twenty is built around a flexible object model. If you want something simpler and proven, Krayin and EspoCRM have been running in production for years. For AI-agent-native CRM, Relaticle and Open Mercato are built specifically around that use case.

FAQ

What's the best open-source alternative to Salesforce?

Twenty for a modern, customizable CRM; Krayin or EspoCRM for a simpler, proven pipeline tool. See alternatives to Salesforce for the full comparison.

What's the best open-source alternative to HubSpot?

Same picks as Salesforce for pure CRM — see alternatives to HubSpot if you also need marketing automation, which most of these tools don't cover.

Is there a CRM built for AI agents?

Yes — Relaticle ships with 30 MCP tools built specifically for AI agent workflows.

What are the top open-source CRM tools?

Browse alternatives to Salesforce, alternatives to HubSpot, and alternatives to Pipedrive for more comparisons.