Prometheus - An open-source systems monitoring and alerting toolkit.
Acronis Backup and Recovery - Acronis Backup is a data recovery solution that offers more ways of storing and recovering drives, folders and files as compared to other similar solutions.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
SolarWinds Backup - Modern server backup software
StatsD - Simple daemon for easy stats aggregation.
Backup Exec - Backup Exec provides simple, complete backup and recovery protection for your business, to cover all data wherever it resides. Try free for 60 days.