What there is a need for is volunteer developers who might do something about the situation. The problem there is the code base is difficult.
I know many very old Web Projects that managed to keep running and not getting stuck. I personally know the Wordpress very well since more than 10 years ago.
They managed progressively updating their Engine Base Code to modern standards and still keep running.
That is the way you deal with updating / remaking big projects. You do it progressively. With some bigger and some smaller efforts.
One step to invite new volunteers would open up the Source Code on a GitHub repository.
As it is a common Praxis to many CPAN developments.
That way you can manage the project which an Issue Tracker and accept little code contributions from a broader audience.
- or Template::Toolkit https://github.com/abw/Template2
- or Mojolicious https://github.com/mojolicious
An attitude like I found at
> But I can't find any answer to my concrete Question
> You dont need to know :)
Doesn't really make you a favor.
(Who are those who think nobody needs to know and this site does not need any help ?)