ChurchCRM is an OpenSource Church CRM & Management Software.
OroCRM - an open-source Customer Relationship Management application.
Main OroCRM package with core functionality.
CRM is a modern software to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, ...).It's an opensource software (wrote with PHP language) designed for small and medium companies, foundation and freelances. You can freely install, use and distribute it as a standalone application or as a web application to use it from every internet access and media. http://demo.speedealing.com (demo/demo)
X2CRM Open Source CRM - PHP
EspoCRM open source CRM application
Open Source CRM and Sales Enablement
MyITCRM – Free and Open Source CRM Software.
SuiteCRM - Open source CRM for the world