Unmaintained? What fork to use?

This repo seems to be quite unmaintained. However I saw several forks linked in some Pull Requests. So can you tell me where this project is continued? Which fork should I use?

/cc @ulikoehler @Talenka @Hexalyse @elrido

As far as I know, the most maintained (and most advanced) fork is the one maintained by @elrido.

There has been a continuous rework there : added unit tests, multiple frontend templates, optionnal password protection, optionnal file attachement, internationalization, a few bug fixes, etc.

I agree with @Hexalyse