everyone’s taste buds are different.
FWIW, I like (in no order of preference)
Lucky Saint
Brewdog Punk AF
Lidl's Perlenbacher 0.0
Adnam's Ghost Ship
Big Drop Paradiso IPA
Clausthaler unfiltered dry-hopped
Just try stuff is my advice - apart from all the AF cider's I've tried, which were all horrible (Appletise is a much better bet if you want an apple based drink), I've rarely found a beer which is undrinkable. Two come to mind - St. Peter's Without (which went down the sink) and Days Pale Ale, which surprised me as their lager is OK. The pale ale contains maltose, which gives it an odd Ovaltine vibe.
Some other random advice:
Psychologically maybe try thinking of them not as an alternative to beer, but to coke or fruit juice.
If you're out and want to limit but not totally cut out alcohol, try mixing 50/50 with regular beer.
If you're at home, and ditto, Waitrose do a Small Beer at 2.1%.
Finally, not beer, but this is very good:
As an experiment I've served it at home to people who've asked for a G&T and nobody spotted it. OK - maybe they were being polite, and thinking "he's been a bit stingy with the gin", but seriously - it's a very good substitute if you want a no-alcohol drink. Or as I found, you can use it instead of ordinary tonic water in a G&T with about ⅓ the amount of gin you'd normally use, which drops the total alcohol down to the equivalent of a beer, and you really don't notice.