A free mod for 7 Days To Die, by Lam.
Download the “Lam’s Resource Pack” for free and install it on your server. Open the “Lam’s Resource Pack”, and then click on “Enable”. You can now start building your world. You will need to craft all the necessary resources, such as iron, coal, and stone.
The “Lam’s Resource Pack” includes a number of resources that will be useful to you:
Copper – a non-ferrous metal that can be used to make many different things.
Iron – a very common metal that is useful for making swords, armor, etc.
Coal – a fuel that can be used to make a fire.