StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Teeny Breaks - Mindfulness tips to make the most of your breaks 🧠💖
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Stretch From Home - Illustrated stretching routines for your home office
UptimeRobot - Free Website Uptime Monitoring
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.