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.
HandUp Gift Cards - Give directly to a homeless neighbor on the street
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Catchafire - Use your professional skills to help charities
Better Uptime - We call you when your website goes down
TAP London - Tackling the homeless problem together