Rainglow Color Themes - 320+ color themes for a variety of editors and software.
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.
Themer - Personalize themes for your terminal/editor/wallpaper/slack
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Lip Gloss - Design terminal user interfaces
Better Uptime - We call you when your website goes down