Unmodded But (Slightly) Better

Unmodded But Better is a mod that (though you probably guessed this from the name) adds to unmodded Minecraft. It will not be updated. it is Public Domain licensed. It adds;

Ghasts cannot be killed with their own fireballs

Pillager Outposts have a better loot pool, including a map to a Village

There's a new enchantment, Withering, for swords

Tridents are now craftable

Heavy Cores are now craftable