Odoo is an all-in-one business software suite that provides a wide range of applications to help businesses streamline their operations. 

Some of the key features and modules of Odoo include Sales, Customer Relationship Management, Inventory Management, Human Resources, Accounting, E-Commerce, Website Builder, Manufacturing, Project Management, Point Of Sales, Marketing Automation, Maintenance, Helpdesk and many more. 

Odoo's flexibility, scalability, and extensive feature set make it a comprehensive solution for businesses of all sizes and industries. It provides a centralized platform to streamline various aspects of business management.