i have to use yacy to feel secure about typing into the void.
searx is good metaseach engine if you trust the person whos running it on their own hardware. it’s not that much private but it deserves some credit.
there’s also tldr and zeal.
manpages don’t really teach you how to do things. it just tells you what different switches do. although sometimes that’s a significant part. it feels like i’m reading the source code or something.