The text discusses the process of migrating an internal developer portal from Backstage to Port, emphasizing the benefits of using an open-source tool to streamline the transition. This tool simplifies data migration by enabling users to define data models through blueprints, ingest data via the Backstage API, and extend the data model with Kubernetes resources and stateful objects. Port's approach allows for flexibility in data model design, accommodating varied organizational needs compared to Backstage's more opinionated structure. The migration process involves defining a data model, ingesting data, and extending the model to include additional resources, with Port supporting various data ingestion methods like GitOps, Terraform, and APIs. This migration not only leverages existing investments in Backstage but also enhances the developer portal's capabilities by allowing more customizable and comprehensive data handling.