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.
Mode for Slack - Share dashboards and analysis with your team on Slack
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Statsbot - Connect your database, let Statsbot generate data relationships from your database automatically, and get your first insights in a matter of minutes.
Better Uptime - We call you when your website goes down
Pushpop for Slack - Push your analytics data into Slack