Little Star - Efficiently and easily manage your GitHub stars
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.
Contributions for GitHub - Show your GitHub contributions graph on your iOS Devices
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
GitDailies - Get a daily snapshot of your team's GitHub Commit and PR activity.
Better Uptime - We call you when your website goes down