FortiDDoS - FortiDDoS achieves superior & faster DDoS protection from known and zero-day attacks with low latency. Advanced DDoS protection for enterprise data centers.
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.
nginx - A high performance free open source web server powering busiest sites on the Internet.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Kaspersky DDoS Protection - Distributed Denial of Service (DDoS) can cause financial costs for your business. Keep your service protected with Kaspersky DDoS-Protection!
Better Uptime - We call you when your website goes down