Best Open Source Customer Relationship Management Tools in 2026
Tools for managing customer relationships, sales pipelines, contacts, and business development activities.
7 open source customer relationship management tools — ranked by GitHub stars. Browse all
Twenty
A modern, open-source CRM built as a community-driven alternative to Salesforce.
Salesforce
Monica
Personal CRM. Remember everything about your friends, family and business relationships.
Krayin CRM
A free and open-source Laravel CRM for SMEs and enterprises with full customer lifecycle management.
HubSpot
Dolibarr
A free and open-source ERP and CRM platform for businesses, foundations, and freelancers of any size.
Salesforce
SuiteCRM
A fully featured open-source enterprise CRM built as a community fork of SugarCRM.
Salesforce
EspoCRM
Open source CRM platform for managing contacts, leads, sales pipelines, and customer relationships.
Salesforce
Frappe CRM
A modern, open-source CRM by the Frappe team, built for sales teams to manage leads and deals efficiently.
HubSpot