AppImage !

• Open format? Yes
• Free format? Yes
• Fully Contained Single Executable Support . Like an exe file for Windows systems Yes (the only one)
• App Size** The lowest** !

https://en.wikipedia.org/wiki/AppImage

Matrix
https://www.fosslinux.com/42410/snap-vs-flatpak-vs-appimage-know-the-differences-which-is-better.htm
https://phoenixnap.com/kb/flatpak-vs-snap-vs-appimage \

Thank you very much @taaz

So you say 2 but with unix socket so it the same as my proposal number 3 ? no ?

I’ll check capabilities

indeed I need it to be scriptable.