General Education
STEM Education
Nostr Education
Bitcoin Education
 nostr:npub19p345mfx9cdks8a7p5vzyt9vkhavueh7g57murk24mwa0mn08fes8wdkan ^

Minecraft
Roblox

Anime
Manga

Permaculture
Horticulture
Nature

Freedom
OSS
FOSS
SelfHosting
Networking
Programming

Security
Cyber-Security
Privacy 
 nostr:npub1f6ugxyxkknket3kkdgu4k0fu74vmshawermkj8d06sz6jts9t4kslazcka for these 3 at least ^

More to come I'm sure.