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Minecraft Java 1.21 Mods

Browse 268 free mods for Minecraft Java 1.21 — popular picks include More Axolotl Variants API, ArmoreableMobs, Bagus Lib.

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More Axolotl Variants API
1.21.11fabric

More Axolotl Variants API

Axolotl Variants Extender API!

18Mdownloads
ArmoreableMobs
1.21.1fabric

ArmoreableMobs

Allows you give armor and items to an entity when it spawns using Craftweaker with gamestages support!

15Mdownloads
Bagus Lib
1.21.1neoforge

Bagus Lib

This mod is using baguchi's mod and you can use too!

14Mdownloads
Summoning Rituals
1.21.1neoforge

Summoning Rituals

Create custom summoning rituals for items, mobs and commands.

9.8Mdownloads
PAUCAL
1.20.1forge

PAUCAL

Petrak@'s Assorted, Useful Collection of Assistance Library.

9.4Mdownloads
Underlay
1.21.1neoforge

Underlay

Place any block (such as carpets) inside anything!

8.8Mdownloads
Kleiders Custom Renderer API
1.20.1forge

Kleiders Custom Renderer API

Change the player/mobs models and textures with this API for MCreator mods!

8.3Mdownloads
Untitled Duck Mod (Forge)
1.21.1neoforge

Untitled Duck Mod (Forge)

Ducks for Forge and Fabric! Powered by geckolib and architectury.

7.6Mdownloads
LegendRelicLib
1.20.1forge

LegendRelicLib

This pre-library provides a collection of methods designed to eliminate repetitive steps.has more function

2.1Mdownloads
HeroBot
1.21.11fabric

HeroBot

Framework for fabric based server side players (and extra helpful settings)

1.3Mdownloads
Untitled Duck Mod (Fabric)
1.21.1fabric

Untitled Duck Mod (Fabric)

Ducks for Forge and Fabric! Powered by geckolib and architectury.

1.2Mdownloads
Villager API
1.21.11neoforge

Villager API

An API to add custom villager professions and villager biome types with custom trades without writing code.

1.2Mdownloads
Petrolpark's Library
1.21.1neoforge

Petrolpark's Library

A library of shared features and utilities for my mods

707kdownloads
ToroHealth Damage Indicators (Updated)
1.21fabric

ToroHealth Damage Indicators (Updated)

Updated version of ToroHealth for Fabric 1.19.3 and newer

680kdownloads
Gravel's Extended Battles
1.21.1fabric

Gravel's Extended Battles

This library mod adds new moves, abilities and types to the Cobblemon mod for use in addons.

662kdownloads
Woot Revived
1.21.11neoforge

Woot Revived

A multiblock mod to harvest mob drops.

601kdownloads
TslatEffectsLib
1.20.1forge

TslatEffectsLib

A small developer library to expand the functionality of MobEffects

576kdownloads
Terra Entity
1.21.1neoforge

Terra Entity

A mod encompasses numerous Terraria monsters and bosses, and constitutes one of the submodules integrated within the larger mod, Confluence.

475kdownloads
LagFixer
1.20

LagFixer

⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!

303kdownloads
Curtain
1.21neoforge

Curtain

A Forge mod like fabric-carpet

256kdownloads
Data Attributes: Directors Cut
1.21.1neoforge

Data Attributes: Directors Cut

An updated version of Data Attributes

241kdownloads
Villainous Horde Manager
1.21.1fabric

Villainous Horde Manager

A utility to aid in creating mob swarming events.

240kdownloads
DespawnTweaker Refoxed
1.21.1neoforge

DespawnTweaker Refoxed

Better Let Me Despawn optimization | Don't allow mobs from spawners to despawn

239kdownloads
Cobblemon Info for REI / JEI / EMI
1.21neoforge

Cobblemon Info for REI / JEI / EMI

CobbleDex turns REI, JEI, or EMI into a full in-game Cobblemon reference. Click a Pokemon and inspect its spawns, evolutions, drops, moves, stats, forms, fossils, obtainment methods, riding data, and more without leaving the game.

233kdownloads
Unknown5473lib
1.21.4neoforge

Unknown5473lib

A universal code library prerequisite for mods created by Unknown5473,Provides a Boss mob template library and screen effects..

231kdownloads
Player2 AI NPC
1.21.1neoforge

Player2 AI NPC

This is not just another companion mod; it is a live showcase of the PlayerEngine framework, built to fundamentally change our perception of AI NPCs in Minecraft.

216kdownloads
FokusAPI
1.17.1fabric

FokusAPI

Focus / Fokus API - Library for CoffeeG's Mod. Support NBT Editing, Mob Spawning and more!

168kdownloads
Complete Cobblemon Collection
1.21.1fabric

Complete Cobblemon Collection

The Largest Cobblemon Addon Pack that gives Models, Spawns and Animations for EVERY SINGLE POKEMON.

166kdownloads
Cobblemon Info for REI / EMI / JEI
1.21neoforge

Cobblemon Info for REI / EMI / JEI

Adds a fully in-game, datapack-driven info panel for Cobblemon that shows exactly how Pokémon spawn and evolve, directly inside REI / EMI / JEI. No wikis. No outdated guides. Everything pulls live from the pack’s actual spawn + evolution data.

119kdownloads
Travelers Lib
1.20.1forge

Travelers Lib

My library for adding animals and other helpful features

101kdownloads
Carpets Core
1.21.11fabric

Carpets Core

Simple lib for creating multifaced carpets

100kdownloads
MythicMobs
1.21.4

MythicMobs

Create custom mobs and bosses with advanced skills, attributes, equipment, and more!

99kdownloads
Carpet mace fix
1.21fabric

Carpet mace fix

This mod fixes bug #2108 in the carpet mod.

99kdownloads
Creeper Confetti Plus
1.21.11neoforge

Creeper Confetti Plus

A mod that replaces the Creeper explosion with nice confetti - a port of Creeper Confetti to Architectury.

94kdownloads
Complete Cobblemon Collection w Legendary Spawns
24w12a

Complete Cobblemon Collection w Legendary Spawns

The Largest Cobblemon Addon Pack Made to Give Models and More Mon Spawns so that we can eventually reach full dex completion!

89kdownloads
Encounter: Mob AI Tweaker
1.20.1forge

Encounter: Mob AI Tweaker

Allow modpack developers to add targeting/avoiding rules for entity AI.

75kdownloads