Visual Harm 1Ndicators
Mantar

HP bars for mobs/players

Traders
Sokomine

Configurable mobs/NPC which can trade for you.

Mobs Redo API
TenPlus1

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

Wilhelmines Living Caves Mobs
Liil

adds mobs to the caves of your world

Mobs Monster
TenPlus1

Adds many types of monster.

Balrog Sword MT 5.4
DragonWrangler

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

Mobs Ethereal Bosses
PixelZone

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

Mob Core
mt-mods

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

Alive AI
AiTechEye

Advanced survivor ai mobs (npc, monsters and more)

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 Animal
TenPlus1

Adds farm animals.

S Battlehammer
Stakbox

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

Extreme Randomizer
NO11

Randomises crafting, mob and block drops.

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

Sky Mobs
TenPlus1

Sky Mobs for Mobs Redo

Disable Mob Damage for Advanced Trains
Silver Sandstone

Prevents trains from damaging mobs.

Mob Biome Mapper
Neuromancer

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

Nether Mobs
Dirkfried

Add monsters and dragons to your nether world.

Moblib
LMD

Low-level high-performance entity library

Mob BiomeDb Mapper
Neuromancer

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

mime (flux's fork)
fluxionary

adds a monster mimicking its surrounding nodes.

Mesebox
johalun

Mobile storage box powered by Mese

Throwable Bombs
DragonWrangler

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

MeseCraft
MeseCraft

The best game for Minetest. A survival game with new depth, mechanics, biomes, mobs and many essential additions. Has a focus on being fun, user-friendly, stable, and minimalist but featured.

Mobile Crosshair
GreenXenith

It's a crosshair for mobile.

Hud Hider
Hito Hito

Make your hud invisible on mobile.

MobConf
zeuner

Place, remove and configure Mobs (for now: NPCs) using chatcommands

Mob Limiter
Neuromancer

removes mobs over max count near players with configurable settings

Mob Mese Monster Classic
TenPlus1

Adds classic Mese Monster.

GetName
kevins

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

Zoonami 3D Mobs
isaiah658

Adds 3D monster mobs to Zoonami.

Mob Horse
TenPlus1

Adds rideable horse

Mobkit
mt-mods

Entity API

Mobs Ghost Redo
TenPlus1

Adds ghosts.

Raids
DragonWrangler

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

Creatura
ElCeejo

A performant, semi-modular, Animal focused mob API

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

Large Slugs
jwmhjwmh

Adds node-based slug mobs to your world

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.

Spawners
SaKeL

Adds spawners for mobs, dungeons, temples and ores.