Dolibarr

Dolibarr ERP/CRM is an open source, free software package for small and medium companies. It includes different features for enterprise resource planning (ERP) and customer relationship management (CRM) but also other features for different activities.

There are several feature modules that can be enabled or disabled, as needed. It is a web-based application, and can therefore be used wherever an internet service is available. Dolibarr aims to offer free open source ERP and CRM features for people with no technical knowledge, by providing a simple solution.