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 :)
I'm currently contributing to osm and reverse enginnering the Sound Blaster Command for my Sound BlasterX G6 to make a Command Software for linux, currently in early stage but first I need to understand more about the protocol.