• Forgejo for private git repos, coz F GitHub (F as in paying respect obviously... :v)
• Portainer, though don't use much as of late as I got used to the CLI
• qBittorrent for Linux ISOs. No, really, I use it to download Linux ISOs :v
• WireGuard, several instances, some for accessing specific services, one for accessing GeoIP blocked content when traveling
• Vaultwarden for managing passwords
• Home Assistant for managing a couple of sensors
• Nginx Proxy Manager for managing hosts
• TeamSpeak 6, just playing around with the beta for now
• Apache Subversion for private SVN repos
• A handmade C# service for storing some MQTT data into a database
• peaNUT a NUT dashboard for the UPS
• RustDesk for remote management of desktops

As for the hardware:

• A Raspberry pi 4 running Docker containers
• A Dell Wyse 5070 (16GB) running Proxmox with mainly Alpine Linux VMs