Defalto CRM
Free open source CRM for sales, projects and invoicing
...Defalto is developed by IT Solutions4You, with a new version published every month. Optional extensions, managed hosting, customization and professional support are available separately.
Try Defalto CRM in the live demo, or download the latest ZIP package from SourceForge and follow the installation guide to install it on your server.
Live demo: https://defalto.com/demo/
Installation guide: https://defalto.com/administrator-guide/installation-guide/
User guide: https://defalto.com/user-guide/
Latest release notes: https://defalto.com/blog/defalto-crm-1-9-released/