Wilhelmines Marinara Mobs
Liil

adds mobs to the marinara oceans

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

Wilhelmines Animal World
Liil

Adds various wild animals to your Minetest Game world.

Wilhelmines Living Floatlands
Liil

Adds various prehistoric animals to your Floatland Zone, if you are using V7 Map Generator.

X Tumbleweed
SaKeL

Adds Tumbleweed.

mime (flux's fork)
fluxionary

adds a monster mimicking its surrounding nodes.

Native Villages
Liil

Adds villages of native people to the world.

Epic Combat
hilol

Fight your enemies with various weapons and protect yourself with distinct sets of Armour, whilst sharpening your skills in PVP and PVE.

Wilhelmines Living Nether
Liil

Adds various creatures to your Nether.

Wilhelmines Living Caves Mobs
Liil

adds mobs to the caves of your world

Dmobs
TenPlus1

Adds new monsters and animals into your world.