CasaOS, YunoHost, macOS, Linux Mint, Raspberry Pi OS, Cloudron, CapRover, Easypanel, ReactOS, Debian, Ethibox, UBOS, CloudFleet, FreedomBox, Pop!_OS, Lubuntu, Sandstorm, BitNami Application Stacks, SlapOS, HomelabOS, Wubuntu, DockSTARTer, CageOS, Libre.sh are some alternatives to Umbrel.