HomeJava1.21

Minecraft Java 1.21 Mods

Browse 272 free mods for Minecraft Java 1.21 — popular picks include Mob Controller Squid Spawning, Mob Controller Shulker Spawning, Mob Controller Frog Spawning.

Updated daily

FiltersLibrary×Mobs×Clear all
Sort272 mods
Mob Controller Squid Spawning
1.21.11fabric

Mob Controller Squid Spawning

This Mod adds control functions for Squid Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

658downloads
Mob Controller Shulker Spawning
1.21.11fabric

Mob Controller Shulker Spawning

This Mod adds control functions for Shulker Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

625downloads
Mob Controller Frog Spawning
1.21.11fabric

Mob Controller Frog Spawning

This Mod adds control functions for Frog Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.19 to 26.1.2

601downloads
Mob Controller Camel Spawning
1.21.11fabric

Mob Controller Camel Spawning

This Mod adds control functions for Camel Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.20 to 26.1.2

584downloads
Mob Controller Panda Spawning
1.21.11fabric

Mob Controller Panda Spawning

This Mod adds control functions for Panda Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

578downloads
Mob Controller Polar Bear Spawning
1.21.11fabric

Mob Controller Polar Bear Spawning

This Mod adds control functions for Polar Bear Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

575downloads
Mob Controller Pufferfish Spawning
1.21.11fabric

Mob Controller Pufferfish Spawning

This Mod adds control functions for Pufferfish Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

573downloads
Mob Controller Armadillo Spawning
1.21.11fabric

Mob Controller Armadillo Spawning

This Mod adds control functions for Armadillo Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.20.5 to 26.1.2

561downloads
Mob Controller Salmon Spawning
1.21.11fabric

Mob Controller Salmon Spawning

This Mod adds control functions for Salmon Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

548downloads
Mob Controller Breeze Spawning
1.21.11fabric

Mob Controller Breeze Spawning

This Mod adds control functions for Breeze Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.21 to 26.1.2

548downloads
Mob Controller Sniffer Spawning
1.21.11fabric

Mob Controller Sniffer Spawning

This Mod adds control functions for Sniffer Spawning in Minecraft, creating a internal alternatives, reducing the appearance of said mob completely at 0% or 100% (at the player's choice) compatibility for 1.20 to 26.1.2

529downloads
Mob Controller Mule Spawning
1.21.11fabric

Mob Controller Mule Spawning

This Mod adds control functions for Mule Spawning in Minecraft, creating a internal alternatives, reducing the appearance of said mob completely at 0% or 100% (at the player's choice) compatibility for 1.17 to 26.1.2

516downloads
[1.16.5 - 1.21.11] PetarLib
1.16spigot

[1.16.5 - 1.21.11] PetarLib

A simple utility library plugin.

37downloads
HazentouveLib Mod (1.21.1) – Cast Multi-School Spells with Ascended Armor
1.21.1

HazentouveLib Mod (1.21.1) – Cast Multi-School Spells with Ascended Armor

HazentouveLib Mod provides shared magic systems, spell schools, and equipment classes for addon mods. It acts as a core base that adds shared templates for spellcasting mobs, multi-school armor sets, and magical weapons. Other addons rely on this framework to run smoothly and share spell mechanics across different modded worlds. Features: Includes three core spell […]

Databank Mod (1.21.11, 1.21.1) – Add Custom Animations and Giant Multiblock
1.21.11

Databank Mod (1.21.11, 1.21.1) – Add Custom Animations and Giant Multiblock

Databank Mod provides specialized rendering tools, custom model setups, and sound systems for modpacks and custom projects. It acts as a core library built to handle visual effects, multiblock mechanics, and massive world structures. Features: Loads custom post-processing shaders directly into the game. Lets creators add animated models for blocks, items, and mobs with mesh […]

LegendRelicLib Mod (1.21.1, 1.20.1) – Power Custom Slashblade Combos
1.21.1

LegendRelicLib Mod (1.21.1, 1.20.1) – Power Custom Slashblade Combos

LegendRelicLib Mod supplies shared tools and reusable code for other mods. It packs in systems for slashblade mechanics, tag setups, and delay timing controls to cut out repetitive background steps. Other mods rely on this library to run their custom weapon actions and timing routines properly in your game. Features: Provides built-in systems for custom […]

Biomorphosis Mod (1.21.4, 1.21.1) – Command a Mutating Swarm to Build a Living
1.21.4

Biomorphosis Mod (1.21.4, 1.21.1) – Command a Mutating Swarm to Build a Living

Biomorphosis Mod brings a living, mutating ecosystem into your world. This mod lets you control a collective mind called the Swarm. You gather biomass to build organic structures and spawn new creatures. The world changes as insect villages and new biomes appear around you. You must decide whether to fight this growing nightmare or become […]

Advanced Wall Climber API Mod (1.21.11, 1.20.1) – Powerful Library for Wall Climbing
1.21.11

Advanced Wall Climber API Mod (1.21.11, 1.20.1) – Powerful Library for Wall Climbing

Advanced Wall Climber API Mod (AWCAPI) is a utility API designed for Minecraft mods that want to add advanced wall-climbing behavior to entities. It allows mobs to move on walls and other surfaces in a natural way, similar to how spiders climb. Features: 3D Surface Movement Entities can move on walls, ceilings, and other vertical […]

ArmoreableMobs Mod (1.21.1, 1.20.1) – Give Armor and Items to Mobs
1.21.1

ArmoreableMobs Mod (1.21.1, 1.20.1) – Give Armor and Items to Mobs

ArmoreableMobs Mod allows you to give armor and items to an entity when it spawns using Craftweaker with game stages support! How to use: You need CraftTweaker to use the mod and use it with a script. First of all import: import mods.armoreablemobs.ArmorHandler; import mods.armoreablemobs.ArmorEntity; import mods.armoreablemobs.ArmorSlot; import mods.armoreablemobs.ArmorGroup; ArmorGroup After that create an ArmorGroup […]

Citadel Unofficial Port Mod (1.21.1) – Play Alex's Mobs On Newer Game Versions
1.21.1

Citadel Unofficial Port Mod (1.21.1) – Play Alex's Mobs On Newer Game Versions

Citadel Unofficial Port Mod updates the main Citadel library to run on newer Minecraft versions using NeoForge. This library acts as a base requirement that helps other popular mods load properly in the game. Features: Acts as a lightweight background library that other mods need to run. Updates the original code to work smoothly on […]