https://www.playplay.io https://www.playplay.io A Slack bot leaderboard for ping-pong, chess, etc. Open-source, written in Ruby, https://github.com/dblock/slac

https://www.playplay.io https://www.playplay.io A Slack bot leaderboard for ping-pong, chess, etc. Open-source, written in Ruby, https://github.com/dblock/slack-gamebot https://github.com/dblock/slack-gamebot, with premium features. A handful of paying customers at $29.99/yr. No time to work on it.