https://proxmox.com - Open Source Hypervisor
https://xcp-ng.org/ - Open Source Hypervisor
https://www.truenas.com/truenas-core/ - Open Source NAS
https://fogproject.org - PXE bootable imaging server
https://librenms.org - Open Source Network monitoring
https://nextcloud.com/ - Open Source, self hosted cloud platform
https://mremoteng.org/ - Open Source SSH, RDP and Telnet Connection Manager
https://ninite.com/ - Select-able software packages with auto installation
https://wazuh.com - Open Source Security Platform
https://cloudflare.com - DNS and WAF protections and management
https://www.jam-software.com/treesize_free - Visually show Windows folder sizes