I know there are several mangas with characters that can read people's thoughts or something like that. I'm looking for anything of the sort.

x]

ES is very good.
The main character is able to enter people's minds.

Oh, yeah. I've read that. It's awesome. x] Unfortunately, I've forgotten if I read any others so I can't say what I've read. So I'm just going to have to see what people suggest to me and see whether I've read it or not. >_O Ugh.

i LOVED, and i mean ABSOLUTELY loved reading Telepathic Wanderers. That was pretty amazing.

"The man who smiles when things go wrong has thought of someone to blame it on"
- Robert Bloch

Night Head/Night Head Genesis? One of the brothers can see into people's thoughts and memories via touch.

Isn't there a thread like this somewhere? I swear I posted in one before...
Anyway, Honey Bitter is the only one that comes to mind at the moment.

"I've seen a look in dogs' eyes, a quickly vanishing look of amazed contempt, and I am convinced that basically dogs think humans are nuts." -John Steinbeck

I second Night Head Genesis.

Lost+Brain is sort of too.

twilight
Land of the blindfolded

Tell me a Lie was a very interesting oneshot involving the concept. I thought the author did it quite well.

Does the walker choose the path, or the path the walker?

Psychometrer Eiji is a classic. There's a lot done, but still a lot that needs doing, though...

Yurara, Eternal Sabbath [like the first person who replied said], Heaven's Will.

Mysterious Girlfriend X
Certain characters can share thoughts through drool, if that isn't too sick for you! 🤣