Flatpak

Stable
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo flatpak install flathub org.freecadweb.FreeCAD
 * 1) add flathub repo just to be sure as it might not be enabled if it is your first time using flatpak

Beta
flatpak remote-add --if-not-exists flathub-beta https://flathub.org/beta-repo/flathub-beta.flatpakrepo flatpak install flathub-beta org.freecadweb.FreeCAD
 * 1) flathub-beta repo is not enabled by default

Note: They can be installed in parallel. To choose which one to run use the flag:

Repository

 * https://github.com/flathub/org.freecadweb.FreeCAD

Maintainer(s)

 * hfiguiere

Related

 * AppImage packages
 * Snap panckages