emus (XSF Com. Team)
They seem to focus on XML currently. Is that also helpful? https://opensource.com/article/21/7/parse-xml-linux
almost Last Call: If anyone thinks this text needs better wording, please write to me in the next couple of hours https://salsa.debian.org/xmpp-team/blog/-/blob/xmpp-novelties-in-debian-11-bullseye/content/xmpp-novelties-in-debian-11-bullseye.md I'll change the XMPP/Jabber thingy a bit (Licaon_Kter), but I'm sure, my English needs corrections...