Minetest, a voxel game engine created to be something like a Minecraft clone, is finally smashing apart the chains to become more its own unique thing.
It's not the same engine but Vintage Story is a TerraFirmaCraft inspired standalone game, if you ever played that mod. The next big update is current in pre-release beta too.
I like playing "Asuna" as a minecraft-adjacent experience, with a bunch of nice world generation mods already packed in. But I also have concocted my own modsoup on top of that, so it's also pretty far from the vanilla of that. There's other games that come up mostly ready for play, like Mesecraft or Voxelibre (that one being mostly an actual MC clone, also renamed)
look around the content DB tho, there's a ton of nice stuff around.