# Internal Developer Platforms
All Internal Developer Platforms notes →1 — Why Software Catalogs Matter
Makes the case for a software catalog as the discoverability, ownership, documentation, and governance backbone of a platform.
internal-developer-platforms software-catalogs book
2 — Service Catalog Design
Catalog design choices, entity types, metadata schema, ownership fields, and relationship modeling, that determine whether the catalog stays trustworthy at scale.
internal-developer-platforms software-catalogs book
3 — Catalog Data Model
A concrete data model spanning services, APIs, libraries, systems, components, and resources as first-class catalog entities.
internal-developer-platforms software-catalogs book
4 — Ownership Models
Ownership models, team, domain, business-unit, and product-based, and the trade-offs each makes for accountability at scale.
internal-developer-platforms software-catalogs book