If you want server side, as veqq says there's joy which implements its own lightweight http server. If you want a client, it's quite trivial to use the Janet C API to wrap libcurl or any other HTTP client. If you're open to LLM development have the LLM write the wrappers and write your actual logic in Janet.

Have you tried jeep?

https://github.com/pyrmont/jeep/

It let's you vendor deps and easily install modern Janet bundles without jpm.

Julia Evans has a fun blog post using Julia to visualize Gunzip: https://jvns.ca/blog/2013/10/24/day-16-gzip-plus-poetry-equa...

you should totally do a "Janet writes Janet" version

> advanced HTTP routing

What do you concretely mean by this? I use https://github.com/joy-framework/joy for all web stuff and can probably get your missing features in within the week.