Mobs Animal
TenPlus1

Adds farm animals.

Sunset Biomes
RisingLeaf

Adding two biomes and stuff around them.

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.

Petz
runs

Very cute mascots: Kittens, puppies, duckies, lambs... Take care of them!

X Tumbleweed
SaKeL

Adds Tumbleweed.

mime (flux's fork)
fluxionary

adds a monster mimicking its surrounding nodes.

Wilhelmines People
Liil

Adds the possibility to build living Villages. Trade items for random stuff from your villagers, recruit mounts and warriors.

Native Villages
Liil

Adds villages of native people to the world.

Mobs Redo
TenPlus1

Adds a mob api for mods to add animals or monsters etc.

Mobs Monster
TenPlus1

Adds many types of monster.

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.

Large Slugs
jwmhjwmh

Adds node-based slug mobs to your world

Wilhelmines Marinara Mobs
Liil

adds mobs to the marinara oceans

Wilhelmines Living Nether
Liil

Adds various creatures to your Nether.

Wilhelmines Living Caves Mobs
Liil

adds mobs to the caves of your world