Show us your half baked, not really ready for prime time projects.
Or just whatever open source stuff you've been contributing to lately!
For me, it's https://openlibrary.org I've been working on having author pages populated with data from wikidata. Also a few other small things with documentation and small UI bugs :)
Fediverse adoption from corporations is the exact opposite of ideal. If that were to happen the fediverse would enshittified just as much as sites like reddit are today.