Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Zerto - Virtual replication & recovery solution
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
SolarWinds Backup - Modern server backup software