Recipe datapack for 1.21.1 made by GK1H. Willing to backport to older versions or port to later versions.

Mod Version Compatibility

Advanced Netherite

Removes lodestone recipe that uses netherite alloys.

Metal Bundles

Replaces leather bundle recipe with the added vanilla recipe, and vanilla recipe is disabled.
Replaces netherite bundle recipe with a smithing recipe.

Spiky Spikes

Replaces netherite spike recipe with a smithing recipe.

Netherite Extras

Adds recycling recipe for Netherite Apple, since using Netherite Recycling tag will mean being able to dupe netherite.

[Better] Iron/Gold/Leather/Diamond/Netherite Recycling

Some vanilla items added to tags, many items from mods listed and not listed above added to tags.