Quartz Plus Addon will make quartz more useful because you can create armor.

Backpack 3D Addon new item - different backpacks.

Cute Dolphin Costumes - Dolphin costume/armor addon.

Yeti Boss Minecraft adds a boss to the game.

Immersive Fauna Aquatic Update Minecraft addon fish mobs.

MUTATED Minecraft addon zombies are stronger and spawn on the day of these monsters.

Damage indicator Minecraft addon useful function - Damage indicator.

Grave is a cool mod that will save inventory lost after death.

Baldi's Basics! REVAMPED Minecraft addon with Baldi's Basics characters.

Taco's Fish Addon for fish mobs.