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.
Stack Overflow for Teams - Everything you love about Stack Overflow in a private space.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Stack Overflow Trends - Current programming and technology trends by Stack Overflow
Better Uptime - We call you when your website goes down
Community Questions for Confluence - Keep questions and answers in one place with an engaging, community-driven Q&A discussion forum, powered by Confluence