I know TheLinuxExp and Techlore.
If you like Urbanism: !urbanism@video.canadiancivil.com and !shifter_cycling@video.canadiancivil.com
If you want to learn about Linux: !veronicaexplains@tinkerbetter.tube
If you are into EVs/Green Energy: !transport_evolved_main@peertube.tv
Then there’s the official accounts for FOSS projects: !thunderbird_channel@tilvids.com, !blender_channel@video.blender.org, !krita_development@share.tube
And for art stuff I recommend checking out the makertube.net instance
I caught a beamng drive stream by !mastercrasher@video.gamerstavern.online that was a lot higher quality than I was expecting.
Also if you’re interested in assetto corsa stuff I want to self promote my channel !carburettor@peertube.wtf
For arts, !oil_paintings@makertube.net makes nice timelapses. !esk@rankett.net are a nice music duo.
For politics, !re_education_channel@kolektiva.media has relatively good content on anarchism.
For drinks, this dude publishes regularly nice cocktails recipes : !spoiler_diacres_domain@spectra.video
For tech, i second Veronica Explains, and i’ll add !ctrlaltrees@makertube.net, great videos too on custom hardware and games.
For french speakers interested in news, there is also Le Média at !chaine_officielle@video.lemediatv.fr and Blast at !blast_info@video.blast-info.fr