Working through open tabs of stuff that sounds interesting, I came across a bunch of videos of talks from LibrePlanet 2022 recently. Never heard of it before. But the videos are as interesting as their titles make them sound.
Video recordings on libreplanet.org: https://media.libreplanet.org/u/libreplanet/tag/libreplanet-2022-video/
And there's also @firstname.lastname@example.org in the fediverse.