Flinkit! - Web-hosted team building games for small and large companies
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Social Games in Slack - Polly brings your WFH team together with interactive games
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.