To give a brief overview about the devices and operating systems/tools I am using I am sharing with you the following table:

NotebookLenovo X270Fedora 32
SmartphoneSamsung Galaxy S9LineageOS 17
SmartwachAmazfit BIPCustom/Gadgetbridge
MediaplayerRaspberry Pi 4LibreELEC
Music PlayerRaspberry Pi 3 with HifiBerryVolumio
KitchenscreenRaspberry Pi 4 / Iiyama 24” Touch Screen LineageOS 16 by konstakang
MediaserverVirtual machineminidlna on Debian Linux
CloudVirtual machineNextcloud 18 on Debian Linux
MonitoringVirtual machineZabbix on Debian Linux
DNS/FilterVirtual machinePi-Hole on Debian Linux
VM ServerHP Microserver Gen10VMWare ESXi 6.7
Video ConferencingVirtual machineJitsi on Debian Linux
Main RouterTurris OmniaTurris / OpenWRT
Access PointsTP-Link TL-WDR4300OpenWRT
VPN ProxyVirtual MachineSquid with OpenVPN and Mullvad on Debian Linux
Tor ExitsVirtual MachinesTor on Debian @ netcup ISP
All servers and devices run free software and are powered by green energy