HA NFS / ZFS File Server
Tunneling
FreeIPA/OpenVPN/FreeRadius/Tailscale
OpensShift
Ovirt
Apache Cloudstack Openstack
Automatic Upgrades
Oracle/Boring Proxy/FRP
pfSense/OpenSense/dd-wrt/open-wrt
EtherPad Web Editor
HAProxy/Let's Encrypt
Suricata/SNORT/Graylog
Wireguard
ntopng
NuKVM
SyncThing Notes
CEPH/Lustre/GlusterFS

AWS Quickstart / AsciiDoc
OpenNebula
DNS BIND IPV6, Balancers
NextCloud

Spiffe Spire BoKS/Keon
https://www.sphinx-doc.org/en/master/
https://github.com/readthedocs/sphinx_rtd_theme
