Official Zabbix Dockerfiles
Storage, SAN, LAN Performance Monitoring: IBM,NetApp,Hitachi,HPE,EMC
Xymon monitors your hosts, your network services, and everything else.
Add an IPv4, IPv6 or dual-stack CloudFlare WARP network interface
a set of bash scripts that make life easier for Ubuntu users/admins
Energy and environmental monitoring of the server room
OpenVPN server in a Docker container complete with an EasyRSA PKI CA
High interaction honeypot solution for Linux based systems
Captive portal and access control manager for Linux-based hotspots