- If it's free and open-source, then most likely yes! Just ask on Matrix, as usual. I'm a bit stricter about proprietary software, but if you have a legitimate reason for it, then sure. You can also install apps yourself from Flathub with flatpak install --user APPNAME. AppImage also works. + If it's free and open-source, then most likely yes! Just ask on Matrix, as usual. I'm a bit stricter about proprietary software, but if you have a legitimate reason for it, then sure. You can also install apps yourself from Flathub. First, run flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo --user to get everything set up, and then you can install stuff with flatpak install --user APPNAME. AppImage also works.