Odoo: The Most Popular All-In-One ERP Software Application for Small And Medium Sized Enterprises Sustainable Exclusive Benefits of Odoo to Small Business & Entrepreneurs Odoo is an open source, flexible management software that helps organizations to manage operations, increase performance and adapt to their growth paths. It provides modulized accounting, crm, inventory, hr module and the like with integrated designs and easy to navigate front ends. Freely accessible and affordable, Odoo offers various tools to help businesses improve their activities and increase productivity.