They're not very online but they are still doing workshops and stuff in person. Their home page shows some events in 2025 but if you really wanna get involved you would probably need to connect offline. I have a friend of a friend who's involved and they seem pretty dedicated
The HN crowd would enjoy the Global Village Construction Kit's work on an open-source tractor
https://www.opensourceecology.org/gvcs/
https://www.opensourceecology.org/portfolio/tractor/
https://www.opensourceecology.org/microtractor-workshop/
And their other open source machines they deemed "critical for civilization"
https://www.opensourceecology.org/gvcs/gvcs-machine-index/