dev hub / plateform engineering : backstage.io

 https://backstage.io/ 

from spotify, released open source.

"An open platform for building developer portals

Powered by a centralized software catalog, Backstage restores order to your infrastructure and enables your product teams to ship high-quality code quickly — without compromising autonomy."

https://backstage.io/plugins/

Red Hat developer-hub is a backstage implementation :

https://developers.redhat.com/articles/2023/05/23/developers-guide-red-hat-developer-hub-and-janus#

https://developers.redhat.com/products/plugins-for-backstage/overview