Tournament Manager for Android - Download the APK from Uptodown

Challenge Place - Best tournament manager ever, real-time, free.

Tournament Manager

The Tournament Director

Mobile Apps for EPs – REC Library

Best Tournament Manager APK for Android - Download

Tournament Manager App - Download

ViPer Tournament Manager Software Reviews & Alternatives

GitHub - xljiang/tournament-manager: An interactive Android app to manage game tournaments. The app allows referees to easily add participants, generate match schedule, manage results, and view statistics, etc.

Tournament Manager Concept by Tomas Vranek for STRV on Dribbble

Connecting Raspberry Pis - BLRS Wiki