Another place where tarball/zip is significantly more viable than Git: the browser (and Chromebooks as such). I know there are things like Tim Caswell's JSGit,

Another place where tarball/zip is significantly more viable than Git: the browser (and Chromebooks as such). I know there are things like Tim Caswell's JSGit, but they're woefully unfinished and assembly-required compared to an interface like JSZip.