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Minecraft Java 1.21 Mods

Browse 759 free mods for Minecraft Java 1.21 — popular picks include Seasons API, CobbleTypes Master, Health Enchantment.

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Seasons API
1.21.5fabric

Seasons API

API for creating your own seasons, weathers and challenges!

6.5kdownloads
CobbleTypes Master
1.21.1fabric

CobbleTypes Master

The Ultimate Pokemon Type Utilities in minecraft and cobblemon! Type Chart, Team analysis, Scanning and much more!

6.3kdownloads
Health Enchantment
1.21.2fabric

Health Enchantment

New enchantment that, when applied to armor, lets you get more health.

6.0kdownloads
Overgrown's Sync
1.21.1fabric

Overgrown's Sync

A system for yielding new capabilities. Sync is an addon for the Apoli mod that's used primarily for the Origins mod!

6.0kdownloads
BukkitFabricLoader
1.21fabric

BukkitFabricLoader

A Fabric mod that allows Bukkit/Spigot/Paper plugins to be loaded and run on a Fabric 1.21 server.

5.9kdownloads
Lite2Edit
1.21.9fabric

Lite2Edit

Lite2Edit is a small Fabric mod that lets WorldEdit open Litematica schematic files (.litematic).

5.9kdownloads
EzEconomy
1.17.1

EzEconomy

Modern, fast, and flexible Vault economy provider for Minecraft servers. Supports YML, MySQL, SQLite, MongoDB, and custom storage. Multi-currency, async caching, and robust permissions for any server size.

5.8kdownloads
Dreams Speedrunner Swap + Task Master
1.21

Dreams Speedrunner Swap + Task Master

Three iconic Dream challenges in one plugin: Speedrunners vs Hunters, Multi-Runner Control Swap, and the new Task Master mode. Experience all of Dream's most popular Minecraft challenges with customizable features, team management, and seamless gameplay.

5.6kdownloads
Player Motion
1.21.2

Player Motion

Explosion-based library that uses subtick timing to ensure that only one player is pushed by the blast without any side effects.

5.6kdownloads
EnhancedVelocity
1.8.5

EnhancedVelocity

Customize your Velocity network experience

5.6kdownloads
Hollow Engine
1.21.1fabric

Hollow Engine

Powerful content creation framework for modpacks maps and servers. Features Kotlin & Katari scripting, in-game scripting IDE, advanced NPCs, dialogues, animations, and cutscenes all in one.

5.4kdownloads
morpher
1.21.1fabric

morpher

A mod that changes the player's rendering to whatever you want using geckolib

5.2kdownloads
Deltapack
1.21.11

Deltapack

A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.

5.1kdownloads
RandomDirtDrops
1.21

RandomDirtDrops

RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

5.1kdownloads
Unbound Third Person
1.21.4fabric

Unbound Third Person

360 Free-Look Camera Mod for Fabric, Forge, and NeoForge

5.0kdownloads
Protect
1.21.4

Protect

A WorldGuard-like, modern world protection plugin made for API usage

5.0kdownloads
Gun Core Fancy's Patch
1.21.6

Gun Core Fancy's Patch

A modification of Gamingbarns Gun Core made to have extra capabilities, while being compatible with normal gun core

4.9kdownloads
MIDWUT
1.21.11

MIDWUT

the Most Important Datapack With Useful Tools — Datapack core and library, for some datapacks to work

4.8kdownloads
fairy
1.8

fairy

Fairy is a compat & open-sourced Framework made with love <3

4.5kdownloads
Silicate
1.21.10fabric

Silicate

A library providing powerful client-server-agnostic predicates with a simple API.

4.5kdownloads
Netherite Disabler
1.16

Netherite Disabler

Admins can enable/disable a specific Netherite Crafting recipe with a GUI

4.5kdownloads
1HP Challenge
1.21.2

1HP Challenge

1HP Challenge, without the ability to resurrect even using commands.

4.5kdownloads
[Cobblemon] TrainerAttributesLib
1.21.1fabric

[Cobblemon] TrainerAttributesLib

Integrates Minecraft's attributes with Cobblemon.

4.4kdownloads
Chat-With-NPC
1.19.4fabric

Chat-With-NPC

Chat-With-NPC allows players to freely chat with NPCs, who will answer questions based on his setting (Basic Prompt) and the setting of their Groups (Nation, City, Town ,etc.). Suitable for RPG maps or puzzle maps.

4.3kdownloads
Visual Novel Framework
1.21.1neoforge

Visual Novel Framework

A Visual Novel framework. Supports custom scripts and features a python based DSL for scripting.

4.2kdownloads
Eclipse Core Client
1.21.1fabric

Eclipse Core Client

This project's core functionality is to enable double battle gimmicks in cobblemon clients, it servers other purposes as well to enable 4v1 raids on servers that create their own mods. Additional functionality will eventually be added.

4.2kdownloads
Luna's Keep Inventory
1.21.6

Luna's Keep Inventory

A keep inventory mod/data-pack with customization in mind!

4.1kdownloads
Physical Vehicles
1.21.11

Physical Vehicles

A REAL physically accurate vehicle simulator on a datapack! You can arrange physical races, drift challenges and RPG situations!

4.0kdownloads
EternalCore
1.19.3

EternalCore

EternalCore is a modern, actively maintained alternative to EssentialsX. It provides the most important server features in one plugin, with better configuration, performance, and support for the latest Minecraft versions.

4.0kdownloads
All In One Apocalipse [AIOA]
1.21.8forge

All In One Apocalipse [AIOA]

A simple spawning overhaul that turns Minecraft into a zombie apocalypse.

3.9kdownloads
ScoreboardPL
1.21

ScoreboardPL

A fully customizable scoreboard plugin with 25+ placeholders — supports Vault, LuckPerms, live TPS, coordinates, stats and much more.

3.9kdownloads
PokéGems Legacy pack
1.21.1

PokéGems Legacy pack

PokéGems Legacy is a custom Cobblemon Add-on which adds Fakémon from the PokéGems Custom Region Cento into the wonderful world of Cobblemon.

3.9kdownloads
rAuth
1.8

rAuth

Advance Authorization Plugin For Minecraft Paper Servers.

3.9kdownloads
Coblemon:Expierence Boost
1.21.1fabric

Coblemon:Expierence Boost

ExperienceBoost — Global XP & Shiny Boosts for Server Events with OP-Controlled Items! ExperienceBoost lets server admins easily trigger temporary global XP multipliers across the entire server—perfect for events, celebrations, or special gameplay moments

3.8kdownloads
anti chest esp donut smp
1.19

anti chest esp donut smp

DonutAntiChestESP Advanced Chest Visibility Protection for Minecraft Servers

3.8kdownloads
Data Command Plus
1.21.5fabric

Data Command Plus

Storageplayer, Concatenate, Loot Entities, Player and Data Manipulation

3.7kdownloads