Harmonium

Harmonium expands Minecraft with its seamless additions.
Clean, well-tuned, and vanilla-like.

Harmonium:
Copper-type blocks can be mined with wooden tools instead of stone ones.
Copper nugget.
Tin ore.
Tin decorative blocks with unique sounds.
Tin soldiers.
Tin bulb with 15 light level modes.
Tin armor trim.

Farmers Delight:
Flint knife is no longer obtainable.
Wooden knife.
Knives retexture.

Friends and Foes:
Unreliable tin button.

Geophilic:
Tin surface generation support.

Tin Update
— Close friend of copper! With unique armor trim, decorative blocks, and smart redstone bulb.

Bronze Update
— Stone tools replacement! New progression based of bronze tools and armor.

Steel Update
— Post-iron tools and armor.

Configuration?
In the next updates.

Fabric port?
Only when all planned content will be done.

1.21.2+?
As soon as possible.

Discord server?
As soon as possible.

(it costs less a dollar)

Benefits:
Regular sneak peek updates.
Your feature-add requests.
Custom discord role and private chat.