"Open ERP (formerly named Tiny ERP) is the leader open-source
ERP/CRM system written mostly in Python and initiated in Belgium.
It offers a three-tier web architecture, ease of use and
flexibility. With more than 1000 downloads per day, Open ERP is the
most admired and the world's fastest growing and used free open
source management software solution in the world. Small and medium
sized companies are now encouraged to use ERP."
"Open ERP is very modular, each adoption produces new modules.
So they can be installed optionally or not, depending on the need
of each enterprise. More than 350 modules of different kinds are
available: accounting, finance, stock management, manufacturing,
services management, customer relations, sales, project management,
document management, internal organization, human resources, direct
marketing, e-commerce, point of sale, payroll... and about 10-20
modules are produced monthly."
