More posibilities how to kill mobs/players
SFENCE

Add more posibilities how to kill mobs and/or players, like traps, throwable TNT, etc.

Visual Harm 1Ndicators
Mantar

HP bars for mobs/players

Traders
Sokomine

Configurable mobs/NPC which can trade for you.

Zoonami 3D Mobs
isaiah658

Adds 3D monster mobs to Zoonami.

Nether Mobs
Dirkfried

Add monsters and dragons to your nether world.

Throwable Bombs
DragonWrangler

adds a cave expansion tool, a throwable tnt stick, a throwable smoke bomb, and a mob throws tnt

Too Many Aliases
ThePython10110

Adds aliases to every item/node in MineClone to make them match MineCraft so you can stop forgetting that mcl_mobitems:ender_pearl should be mcl_throwing:ender_pearl.

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

Wilhelmines Living Caves Mobs
Liil

adds mobs to the caves of your world

Mobs Ethereal Bosses
PixelZone

Adds Bosses in biomes from the "Ethereal NG" and "Mineclonia" mods

Balrog Sword MT 5.4
DragonWrangler

allows those using the old mobs balrog mod to have balrog swords

Wisps
ElCeejo

Adds non-entity mobs called Wisps

Better Randomizer
ThePython10110

Randomizes node drops, mob drops, and crafting recipes

Living Slimes
EmptyStar

Adds living slime mobs to Minetest

Water Mobs
TenPlus1

Water Mobs for Mobs Redo

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

Moblib
LMD

Low-level high-performance entity library

Slimes Redo
TenPlus1

Add green and lava slimes to your world.

Mobkit
mt-mods

Entity API

MFSM Multiple Finite State Machine
Sumi

Allows for multple states to be active, while maintaining typical state machine behavior. Good for gamestate and mobs.

Mobs Skeletons
TenPlus1

Adds three skeletons to the world.

Lategame Amulets
Comet

A cohesive progression system that builds on Mobs Monster

Mob Biome Mapper
Neuromancer

Allows mobs to spawn in biomes that don't support them.

GetName
kevins

Adds an API and tool to generate random names for NPCs, mobs, and places.

Alive AI
AiTechEye

Advanced survivor ai mobs (npc, monsters and more)

Large Slugs
jwmhjwmh

Adds node-based slug mobs to your world

Mobs Monster
TenPlus1

Adds many types of monster.

mime (flux's fork)
fluxionary

adds a monster mimicking its surrounding nodes.

Mob Mese Monster Classic
TenPlus1

Adds classic Mese Monster.

Mobkit Sapien
nurd3

Adds villager like mobs using Mobkit.

Mob Core
mt-mods

A Mob API meant to expand upon mobkit and bring easy to use features for creating new Mobs.

Mob Horse
TenPlus1

Adds rideable horse

Mobile Crosshair
GreenXenith

It's a crosshair for mobile.

Invisiblocks
TenPlus1

Add invisible barrier, light and mob wall into game with new tool

Hud Hider
Hito Hito

Make your hud invisible on mobile.

Mob BiomeDb Mapper
Neuromancer

Allows mobs to spawn in biomes that don't support them (Using info from BiomeDb)

Mesebox
johalun

Mobile storage box powered by Mese

Mobs Animal
TenPlus1

Adds farm animals.

Spawners
SaKeL

Adds spawners for mobs, dungeons, temples and ores.

The Mob API
TX_Miner

Provides a simple API for mobs