Every major official Odoo application, in Odoo's own categories. Each connects to the others through one database, so you can start with one and add more as you grow.
Too deep?
Built from Odoo's version 20.0 documentation and the public Odoo 20.0 source, checked October 9, 2026. "Enterprise" is shown where an application is not in Odoo's public Community edition. Availability can also depend on your plan, hosting and country. Connectors such as Amazon and Shopify are covered within the relevant application pages.
Tell Brad about your business, and we'll start from what you've just read.