> What GNOME app is comparable to Umbrella, Krita or Kdenlive?
You can try this out: http://jliljebl.github.io/flowblade/ The feature differences are very small and the application has always been more stable on my platform.
License: GNU GPLv3
Language: Python
[Flowblade web page][http://jliljebl.github.io/flowblade/]
[Download][http://jliljebl.github.io/flowblade/download.html]
>Flowblade is currently a 100% script application, and all the dependencies should be available in popular distributions, so in most cases it should be possible to install and run Flowblade without compiling anything.