Block Variants provides you tons of blocks that are missing in vanilla like Polished Diorite Walls and Amethyst Slabs.
It also offers alternate ways craft things e.g. Furnances from Granite (use Just Enough Items to find out more).
(1.19.2+) requires Ametrin API
Check the Biomes O' Plenty Integration
Check the Oh The Biomes We've Gone Integration
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