Cards Lacking Originality - A simple and elegant online Cards Against Humanity clone
PlayPlay.io - Chess and Ping Pong tracking in Slack
Cards Against Muggles - Cards Against Muggles is a game similar to the game cards against humanity in which friends can play cards among themselves and answer the dumb questions that the other person is asking.
PongUp - The ping pong leaderboard for awesome offices
Group or Dare - A game for friends without boundaries
Pongbot - Slack bot for ping pong tracking.