Dolibarr ERP - CRM is an easy to use ERP and CRM software (run as web php or standalone) for small to mid-sized businesses, foundations or freelancers (inventory, warehouse, order, invoice, shipment, POS, members for foundations, bank accounts...).
Dolibarr is also available with auto-installers for users with no technical knowledges to install Dolibarr and all its prerequisites (Apache, Mysql, PHP) with just one package. Available platforms for such packages are: Windows, MacOS, Debian, Ubuntu, Redhat, Fedora, OpenSuse, Mandriva, Mageia. Other platform can use the generic distribution.
This is a modular product, than can be enhanced with tons of external modules to provide you features not available by default.