InnerSource, a methodology that fosters open-source principles within organizations, aims to enhance collaboration, reduce silos, and increase code reusability and standardization. Despite being coined in 2000, InnerSource remains relevant, with Gartner predicting its adoption by 40% of software engineering organizations by 2026. Its implementation often faces challenges, particularly in bridging strategic and tactical gaps. Internal developer portals serve as a key tool in supporting InnerSource practices by making roles like "trusted committers" visible and fostering collaboration without exposing source code. These portals facilitate service discoverability, streamline access requests, and ensure InnerSource compliance through features like scorecards and self-service actions, ultimately enhancing efficiency and encouraging a culture of autonomy and ownership among developers.