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.
Open source ERP and CRM web software for business
An enterprise-class CRM and more!
Powerful Open Source Email Marketing app with analytics & segmentation
The multi-award winning SuiteCRM is the world's best open source CRM.
Take your office and CRM into the cloud!
Free web-based open-source project management application
Growing and Sustaining Relationships
VICIdial Contact Center Suite
The most affordable CRM system according to Capterra
SuiteCRM translations - language packs
Enterprise project management replacement for Project Server
Moving in the right direction together!
ERP Server
Enterprise telephony recording and retrieval system
Archive your personal history
Free & Opensource Laravel CRM solution for SMEs and Enterprises
Lighweight CRM, easy to use Kickstarter for web based ERP
Simple, web-based address & phone book
software for email automation (newsletters, transaction mails, etc.)
Free Russian CRM based on Vtiger CRM project.
Open-source and self-hosted CRM platform based on Laravel 5
Open-source flexible CRM