Which hive to choose?
My personal choice for bee-friendly beekeeping is the Warré beehive for various reasons.
The abbé Éloi François Émile Warré (9 March 1867 at Grébault-Mesnil - Tours le 20 avril 1951) has made a large but simple study of how bees behaved in the wild.
He made 350 different beehives and the Warré beehive was born from these because, according to his findings, the bees behaved best in that hive.
The beehive is small and only has an inner size of 30 cmx30 cm, the height per box is 21 cm and the thickness is 2.5cm. There are 8 frames per box.
The original Warré beehive did not have a queen grate or a Varroa grate.
I've adjusted the beehive a bit (this has been done by others in the past) to do beekeeping in a bee-friendly way as I see it. You can of course use any other beehive to do bee-friendly beekeeping, and as I said, the type Warré has my preference.
Working with a Warré hive has more differences than e.g. beekeeping with Simplex.