Flatpaks and snaps, while maybe not as popular, are also containers

unlinked_dll · on March 11, 2020

They're also pretty terrible ways to distribute a native application and can be crippled due to their containerization.

AnIdiotOnTheNet · on March 11, 2020

Unfortunately, they're over-complicated as a means of application packaging and distribution, at least in my opinion.

Now AppImage, that's pretty great. It doesn't really bring any of the security benefits of containerization, but that can be tacked on separately.