Browse free open source CRM software and projects for Linux below. Use the toggles on the left to filter open source CRM software by OS, license, language, programming language, and project status.
An enterprise-class CRM and more!
Open source ERP and CRM web software for business
Powerful Open Source Email Marketing app with analytics & segmentation
The multi-award winning SuiteCRM is the world's best open source CRM.
Free web-based open-source project management application
EspoCRM – Open Source CRM Application
SuiteCRM Translations Language Packs
Take your office and CRM into the cloud!
Growing and Sustaining Relationships
VICIdial Contact Center Suite
Open-source flexible CRM
Open-source CRM/ERP: contacts, calendar, email, tasks & file sharing
Enterprise project management replacement for Project Server
Moving in the right direction together!
SuiteCRM - Open source CRM for the world
Building a modern alternative to Salesforce, powered by the community
Hotel property management system
Open-source business management software
Personal CRM. Remember everything about your friends, family, etc.
The most affordable CRM system according to Capterra
ERP Server
An open-source, agentic-first CRM