OPNsense is open source, FreeBSD-based firewall and routing software developed by Deciso. It is a fork of pfSense, which in turn was forked from m0n0wall.
Enpal
Proxmox Virtual Environment is an open-source server virtualization environment. It allows deployment and management of virtual machines and containers
HP Integrated Lights-Out, is an embedded server management technology by Hewlett-Packard
TrueNAS® SCALE is an Open Source Hyperconverged Infrastructure (HCI) solution. Built on TrueNAS CORE, SCALE adds Linux Containers, VMs (KVM), and scale-out ZFS storage capabilities.
