Gitwin - Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.
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.
System Center Operations Manager - System Center Operations Manager 2012 R2 uniquely enables customers to reduce the cost of data...
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Opsview Atom - Monitor everything. Integrate anything. Scale anywhere.
Better Uptime - We call you when your website goes down