Browse free open source CRM software and projects for Windows below. Use the toggles on the left to filter open source CRM software by OS, license, language, programming language, project status, and freshness.
Open source ERP and CRM web software for business
An enterprise-class CRM and more!
Powerful Open Source Email Marketing app with analytics & segmentation
Open-source and self-hosted CRM platform based on Laravel 5
The multi-award winning SuiteCRM is the world's best open source CRM.
Take your office and CRM into the cloud!
Enterprise telephony recording and retrieval system
VICIdial Contact Center Suite
Growing and Sustaining Relationships
software for email automation (newsletters, transaction mails, etc.)
Free web-based open-source project management application
Enterprise project management replacement for Project Server
Free Russian CRM based on Vtiger CRM project.
The most affordable CRM system according to Capterra
VIENNA Advantage, an enterprise level ERP with DMS and CRM
Free & Open Source CRM/ERP for private cloud. No per user fee. WFH/WFA
Open-source flexible CRM
Simple, web-based address & phone book
Moving in the right direction together!
Low Code Multi eXperience (MXDP)development Platform for Enterprises
Open Source CRM Application. Gamified, Mobile, Social
ERP, Groupware and Small Business Server
Open Source Microfinance Suite