I think https://founderkit.com is a better comparison to what you are providing than product hunt. I agree Product Hunt seems to target consumers more, whereas Siftery and Founterkit are providing a service to businesses and founders.
One thing I would find of value is a means for differentiating all of the different services being reviewed. I think everyone knows that slack is the foremost business chat app, etc. But what are the specific things that make the app at #2 different that I might be looking for that would make me chose it over what's in the #1 spot.
One thing I would find of value is a means for differentiating all of the different services being reviewed. I think everyone knows that slack is the foremost business chat app, etc. But what are the specific things that make the app at #2 different that I might be looking for that would make me chose it over what's in the #1 spot.