More posibilities how to kill mobs/players
SFENCE

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

Traders
Sokomine

Configurable mobs/NPC which can trade for you.

Visual Harm 1Ndicators
Mantar

HP bars for mobs/players

Not So Simple Mobs
TenPlus1

Adds a host of creatures into your world with new weapons too.

Alive AI
AiTechEye

Advanced survivor ai mobs (npc, monsters and more)

Mobs Redo API
TenPlus1

Simple and feature rich API to quickly add mobs into your world.

Wilhelmines Marinara Mobs
Liil

adds mobs to the marinara oceans

Mobkit Sapien
LuantistDork

Adds villager like mobs using Mobkit.

Lategame Amulets
Comet

A cohesive progression system that builds on Mobs Monster

Better Randomizer
ThePython10110

Randomizes node drops, mob drops, and crafting recipes

Mob Crab (Beta)
Can202

Adds Crabs.

Balrog Sword MT 5.4
DragonWrangler

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

3D Armor Mobile
LandarVargan

Adds a command to bring up a formspec that allows mobile users to put on armor

Mobile Crosshair
GreenXenith

It's a crosshair for mobile.

Mob Mese Monster Classic
TenPlus1

Adds classic Mese Monster.

Mobs Animal
TenPlus1

Adds farm animals.

Mobs Skeletons
TenPlus1

Adds three skeletons to the world.

Raids
DragonWrangler

Allows server owners or server admin to start mob raids to attack settlements or players

Sky Mobs
TenPlus1

Sky Mobs for Mobs Redo

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.

mime (flux's fork)
fluxionary

adds a monster mimicking its surrounding nodes.

Mob BiomeDb Mapper
Neuromancer

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

X Spawners Mobs
SaKeL

Adds mob spawners.

Mobs Effects
SFENCE

Provides predefined attribute effects without apply logic for mobs based on Mobs Redo API, modifying movement, combat, and behavior attributes

Water Mobs
TenPlus1

Water Mobs for Mobs Redo

Mobs Takodachi
Silver Sandstone

Adds takodachis.

Healing Stick
Vasiliy

heals mobs and players

Tortou
LibraSubtilis

Turtle graphics, hyperloop travelingsystem and cubic mobs.

S Battlehammer
Stakbox

Adds a battlehammer weapon with high knockback for MTG (compatible only with Mobs Redo API).

Mobkit
mt-mods

Entity API

Throwable Bombs
DragonWrangler

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

Mobs Ghost Redo
TenPlus1

Adds ghosts.

Climbing Pick
lag01

Tool to climb, double jump, and do good damage to mobs.

Mob Horse
TenPlus1

Adds rideable horse

Common Mob Interface
Byakuren

A standard modding interface for interacting with mobs

Mob Core
mt-mods

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

Large Slugs
jwmhjwmh

Adds node-based slug mobs to your world

Mobs Ethereal Bosses
PixelZone

Adds 3 bosses to some biomes..

Advanced fight
SFENCE

THIS IS UNSTABLE BETA. Adds hitbox-based combat system with body part damage for mobs and players

Creatura
ElCeejo

A performant, semi-modular, Animal focused mob API