Hello Fletty there are lots of mental health resources and all are for different mental health information. I would some resources that I know. Hope you find them useful.

Books:- The Noonday Demon by Andrew Solomon this can help people with depression
Reasons to Stay Alive by Matt Haig for the one who get suicidal thoughts
My Age of Anxiety by Scott Stossel

Website:- Psych Central
Psychology Today
NOCD
IOCDF

I don't listen to podcast so I can't recommended that.