PlayPlay.io - Chess and Ping Pong tracking in Slack
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Pinpon - The ping pong bot for Slack
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
Papio - Friendly foosball scorekeeper and stats tracker for Slack
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.