> its UI doesn't change unless I tell it to change Vim and emacs aren't unique in this. In fact quite a few non-commercial FOSS projects don't make significant

> its UI doesn't change unless I tell it to change Vim and emacs aren't unique in this. In fact quite a few non-commercial FOSS projects don't make significant changes to the UI. I think there are (at least) a couple of reasons for that. First, there isn't usually pressure to constantly attract new users, so there isn't as much pressure to change the UI to make it easier or simpler for new users, or follow UI trends. Secondly, the projects often don't have dedicated UI/UX designers who want to try out new ideas or make their mark, etc. However, these aren't strictly good things, you can end up with an unintuitive UI with a steep learning curve that is hard to learn.