Eagle is a suite of web based open source business apps.
The main Eagle include an Customer Relation Management CRM, Website Builder, eCommerce, Warehouse Management, Project Management, Billing & Accounting, Point of Sale, Human Resources, Marketing, Manufacturing, Purchase Management, ...
Eagle Apps can be used as stand-alone applications, but they also integrate seamlessly so you get a full-featured A complete ERP when you install several Apps.
For a standard installation please follow the Setup instructions from the documentation.
Then follow the developer tutorials