News for hackers. Stuff that matters.
Re:Show HN: ThingsOnReddit – Products linked to on Reddit by msnangersme on Saturday September 23, 2017 @11:30PM (#15323162)
Some other similar sites with niches:

books- https://takcek.com

laptops- http://www.laptophits.com

Re:Show HN: ThingsOnReddit – Products linked to on Reddit by kfriede on Saturday September 23, 2017 @11:36PM (#15323177)
Another for books: http://hackernewsbooks.com/

(Not affiliated, just where I took some pointers from)

Re:Show HN: ThingsOnReddit – Products linked to on Reddit by guohuang on Sunday September 24, 2017 @01:30AM (#15323470)
http://toptalkedbooks.com is another one for books