Stack Sports provides software solutions for sports organizations, including leagues, clubs, teams, and athletes. Its main products include Sports Connect, a league management software that helps over 20,000 organizations streamline operations, and CaptainU, which connects high school athletes with college recruiters. Stack Pay is another offering that simplifies payment processing for the sports industry, handling over $1 billion in transactions annually. The company aims to reduce administrative burdens, allowing sports organizations and athletes to focus on their core activities.