Nimble Storage - Nimble Storage provides storage infrastructure combined with predictive analytics.
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.
Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Proxmox Backup Server - Open-source enterprise backup solution for backing up and restoring VMs, containers, and physical hosts
Better Uptime - We call you when your website goes down