A lightweight mod that changes entities' and items' default attributes through datapacks
RPGDO is a complete overhaul to minecraft's damage system, adding damage types with unique passives for each attack and resistances for each mob.
Makes you fall down if you stand on tilted sublevels, and ragdolls try to balance themselves instead of falling down
Makes each food give you a different attribute. This way, which food you eat actually matters.
Chunk-based land claiming with an item-upkeep cost, plus raiding mechanics based on reaching a target block.
Mod that lets you design the whole world on a canvas before it generates, placing biomes, structures, and more.