asterisk (multiple)
IP Office
IP Office Application Server
CUCM 12.5.1
Avaya Aura:
  - CM 8
  - media server 8
  - CMM/audix 6
Kubernetes:
  - i forget what this is running, from memory mostly critical network stuff like DNS, irc bouncers, routing, CA etc.
many FRR instances for routing
dialup servers
nextcloud
matrix
paperless-ngx
immich
home assistant
other stuff i am forgetting about