Choke

Choke is the simplest, most open Brazilian Jiu-Jitsu (BJJ) scoreboard: score matches in real time and publish them instantly so anyone can follow along live. Built for referees, coaches, academies, and tournament organizers who want fast, reliable scoring with zero hassle. ⚡ REAL-TIME SCORING Log every action with a tap: takedowns (2 pts), guard passes (3 pts), mount and back takes (4 pts), advantages, and penalties. The score updates instantly. ⏱️ MATCH TIMER Configurable match duration with a second-by-second countdown, so timing is never a problem at the scoring table. 📡 OPEN & DECENTRALIZED Every match is published to the Nostr network, so the data is open, verifiable, and accessible from any compatible dashboard. Follow bouts live from the web. 🔑 NO ACCOUNTS, NO FRICTION No sign-up required. Your identity is generated on your device at install. You can delegate scoring of a match to your team using temporary keys, without ever sharing your private key. 🌍 IN YOUR LANGUAGE Available in English, Spanish, Portuguese, and Japanese. 🆓 FREE & OPEN SOURCE Choke is 100% free, with no ads and no trackers. Its code is open and auditable. Whether you're refereeing a tournament, training at the academy, or projecting matches on screen for the crowd, Choke puts a professional scoreboard in your pocket. Download Choke and take BJJ scoring to the next level.