Internal developer portals (IDPs) are frameworks for building DevOps platforms that offer discoverable self-service IT infrastructure and automation services. Used by firms like American Airlines, Ericsson, and IKEA, IDPs’ popularity expanded after Spotify donated its Backstage internal IDP to the Cloud Native Computing Foundation (CNCF) in 2020. Interest in IDPs as DevOps platform foundations that deliver self-service infrastructure, automation, best practices, and metrics has since grown rapidly. Platform, infrastructure, and software engineering leaders should read this report to explore current IDP options and their benefits for scaling DevOps efforts.