PagerDuty - Cloud based monitoring service
Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
OpsGenie - Alerting and On-Call Management for Dev&Ops Teams
SolarWinds Backup - Modern server backup software
ninjaRMM - ninjaRMM is a cloud-based IT management tool designed to save technician's time and minimize downtime.
Vembu BDR Suite - Vembu BDR Suite is a comprehensive and easy-to-use backup solution for virtual environments like VMware & Hyper-V and Physical Servers & Endpoints. It offers the most secure and scalable options to ensure Business Continuity of Data Centers.