# Overview and Use Cases The Software Catalog is at the heart of Rely, serving as a comprehensive collection of an organization's catalogs. These include the service catalog, team catalog, and cloud-resource catalog, among others. It provides a unified view to track and explore information about various entities within the organization. Entities in the catalog are defined by their properties and relationships, and are structured through customizable blueprints. This allows for tailored documentation and management of the software ecosystem. {% embed url="" %} ## Use Cases * **Centralized Information Access:** Developers can easily access a single source of truth for all software-related information, improving efficiency and reducing errors. * **Information Standardization:** Platform teams can define and manage entities using customizable blueprints. This ensures all relevant attributes and relationships are specified, documented, and maintained through automation, reducing maintenance time and ensuring consistency.