Copying from a different comment of mine:

Educational

• Atomic Frontier
• Captain Disillusion
• DSA (My city’s local chapter’s youtube)
• Kurzgesagt
• Philosophy Tube
• Scott Manely
• Technology Connections

Educational Adjacent

• Jim Browning
• Primitive Technology
• Sam O’Nella Academy

Hobby Projects

• Code bullet
• Colinfurze
• Project KegRocket
• Stuff Made Here
• The Bibites: Digital Life
• Tom Stanton
• Works By Design
• Zach Freedman

Gaming

• Doshdoshington
• EthosLab
• Grian
• Hazardish
• Matt Lowne
• Michael Hendriks
• Project Incursus Gaming
• Starship EVO
• Stratzenblitz75

Art

• Felix Colgrave
• The Sixth Door
• Worthikids

Misc

• Atomic Shrimp
• Brick Experiment Channel
• Hbomberguy
• Lyle Forever
• Two Gay Grandpas Travel