[librasteve]

The leading web framework for Raku is Cro (https://cro.raku.org) . Cro has deep support for distributed architectures and middleware pipes and a nice templating language.

  my Cro $service; # geddit?

There are others, notably the more lightweight Humming-Bird https://raku.land/zef:rawleyfowler/Humming-Bird

Also, if you want a more opinionated, HTMX centric web application library, then https://harcstack.org was used to make the new https://raku.org site