Where do you get your workout (lifting) routine from?

I am going back to the gym tomorrow morning so you all better cough up some answers by then.

I know there are some commonly suggested routines. Like stronglifts 5x5, then there is 6-day PPL program that is suggested often on reddit too.

I also know that once you are experienced enough you can customise your program according to your requirements and liberties.

But I would like some suggestions for some intermediate-level programs. It has been a while since I followed one so I would appreciate anchoring myself to something definite rather than just doing what I like.

Thanks. Any suggestions are welcome.