UptimeRobot - Free Website Uptime Monitoring
Ricotta Trivia - Engage your remote team with some Trivia and Icebreakers on Slack. Run a quiz on Slack, answer Icebreaker questions or play games such as This or That, Two truths and a lie and more.
StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
Social Games in Slack - Polly brings your WFH team together with interactive games
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat