CRM - OpenTechHub

Krayin CRM

Self-hostable CRM for managing leads, contacts, and sales pipelines. A Laravel-based alternative to Salesforce with full data sovereignty.

CRM

Odoo

LGPL-3.0 modular ERP for CRM, inventory, and manufacturing. Zero per-user community tier. Full accounting, mobile apps, and Studio require the proprietary Enterprise plan.

ERP
CRM

ERPNext

The 100% Open Source alternative to NetSuite. A monolithic ERP with Accounting, HR, and Manufacturing included out of the box with zero per-user fees.

ERP
CRM

Zammad

AGPL-3.0 helpdesk with unlimited agents and tickets in the free self-hosted edition; LDAP and SAML ship standard, no enterprise paywall.

Twenty

AGPL-3.0 open-core CRM on PostgreSQL: unlimited custom objects and workflow automation in the community edition; SSO and advanced RBAC require paid tiers.

CRM