Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Rubrik - Rubrik delivers instant application availability for recovery, search, cloud, and development.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Zerto - Virtual replication & recovery solution
Zabbix - Track, record, alert and visualize performance and availability of IT resources