Revegy - Revegy offers enterprise account planning and customer centric sales solutions.
UptimeRobot - Free Website Uptime Monitoring
Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.
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.
Salesvue - Faster Connections - Increased Sales
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring