I've been looking around at jsxc, an XMPP webclient, and thought it would be great to have it available on DIsroot, instead of or alongside ConverseJS!
The main reason is the looks: the styling looks much better (at least to me), and it would be nice for people who are new to XMPP or just getting started.
They seem to support OMEMO, and it should be relatively easy to set up since they also have NextCloud integration, as in the screenshot below (taken from jsxc.nextcloud repo:
I haven't checked it out very thoroughly (partly because I don't have the resources to set up my own server), but the first impression looks promising. Perhaps the Disroot team would like to look into it?