HomeJava1.21

Minecraft Java 1.21 Mods

Browse 139 free mods for Minecraft Java 1.21 — popular picks include PlayerMapX, Modmc, RevertRaidChanges-Extra-VaultsOminousBottleRemove.

Updated daily

FiltersLibrary×Performance/FPS×Robots×Clear all
Sort139 mods
PlayerMapX
1.21

PlayerMapX

You can see your own server maps and players and their inventory, Rebranded from SNKAWatchMap

101downloads
Modmc
1.16

Modmc

A highly optimized, zero-dependency, and incredibly accurate anti-cheat built natively on PacketEvents. Catch modern hackers instantly across versions 1.8 to 1.21.3 without punishing legitimate players.

98downloads
RevertRaidChanges-Extra-VaultsOminousBottleRemove
1.21

RevertRaidChanges-Extra-VaultsOminousBottleRemove

Removed the Ominous Bottle from the Vault LootTable.

90downloads
Nova's Music
1.21.1fabric

Nova's Music

NovaMusic - Bring the entirety of YouTube and SoundCloude into Minecraft. Import playlists with a single link, organize your library, and listen to your favorite tracks in-game without any performance drops.

85downloads
AquaLib
1.21

AquaLib

AquaLib is the foundational core library engineered to power the Aqua Kingdoms ecosystem and its suite of advanced oceanic features. It provides a high-performance framework for handling complex data and immersive underwater mechanics while ensuring best

84downloads
Extender
1.20

Extender

Minecraft Command length Extender & Minecraft Custom Function Runner.

71downloads
JS Runner
1.21

JS Runner

The plugin aims to add the ability to run JavaScript files in a Minecraft server.

70downloads
Ponder lib
1.21.6

Ponder lib

give datapacks the abbility to add ponder pages (like in create mod) to items with the new dialogs in 1.21.6

70downloads
Robot's Datapack Tools
1.21.5

Robot's Datapack Tools

This datapack library adds multiple tools which make datapack creation easier.

68downloads
GitWorlds
1.21.8neoforge

GitWorlds

A Simple World Version control with Github.

67downloads
1.21 GameRules Restore
1.21.11

1.21 GameRules Restore

1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.

66downloads
AtomicsLib
1.21

AtomicsLib

This is a library datapack which adds all the annoying things you end up making everytime.

66downloads
Chest Door Lock
1.21.9

Chest Door Lock

Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.

64downloads
twinkle popo mod
1.21.4neoforge

twinkle popo mod

it adds twinkle popo realistic pikachu and realistic hellokity

63downloads
FurnaceEditor
1.21

FurnaceEditor

A collection of powerful in-game editors to manage crafting and smelting recipes effortlessly. Create, edit, and delete recipes via intuitive UIs without ever touching a config file.

62downloads
PannHarvestEngine
1.21

PannHarvestEngine

PannHarvestEngine is a high-performance, modular resource gathering framework for Minecraft. It replaces vanilla mining and interaction mechanics with a versatile HP-based harvesting system suitable for ores, timber, and custom agriculture.

48downloads
flok
1.21

flok

Flok is a fast, lightweight scripting plugin for Paper/Spigot servers. You write plain .fk files; no Java, no compile step, no restarts for most changes. Drop a script in, run /flok reload, and it's live.

47downloads
ServerBenchmarkPro
1.2.1

ServerBenchmarkPro

Advanced Minecraft server benchmark plugin with Antutu-style scoring, CPU throttling test, and live ActionBar performance analysis.

46downloads
RatsCurrencies
1.16

RatsCurrencies

A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]

44downloads
Idle_Essentials
1.20

Idle_Essentials

Just visual beautiful and mechanical comfortable essentials plugin like All in One

42downloads
BoostSync
1.20

BoostSync

Reward your Discord Nitro boosters in Minecraft with automated, verified rewards. BoostSync links accounts with a one-time code, grants a renewing 7-day booster rank while they keep boosting, and offers once-per-season reward claims.

41downloads
BluCooldown
1.21

BluCooldown

Minecraft Paper/Folia plugin for adding fully configurable cooldowns to items

39downloads
DPNPC
1.21.9

DPNPC

Customizable NPCs using Minecraft's mannequin entity.

38downloads
InfinityCore
1.21

InfinityCore

Library used in InfinityGroup Plugins for compatibility and optimization development.

33downloads
Flame Announcer
1.21

Flame Announcer

A powerful and highly customizable announcement plugin featuring scheduled Chat, BossBar, and Interactive clickable messages with full in-game management.

16downloads
Mechanomania Core Mod (1.21.1) – Library for Mechanomania Modpack
1.21.1neoforge

Mechanomania Core Mod (1.21.1) – Library for Mechanomania Modpack

Mechanomania Core Mod is the core mod for Mechanomania modpack. It manages internal features and provides improvements that make the modpack run more smoothly and consistently. Features: Mods compat Mod tweaks Vanillia Tweaks Optimizations New Recipe types New advancements New items Mechanomania Core Mod Download Links For Minecraft 1.21.1, 1.21 NeoForge version: Download from Server […]

Better Bookshelf Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Better Bookshelf Resource Pack (1.21.1, 1.20.1) – Texture Pack

Better Bookshelf Resource Pack refreshes Minecraft’s library décor by introducing several stylish bookshelf variations. It adds five new textures to standard and chiseled bookshelves, offering more visual variety and breaking the monotony of identical bookshelves. Perfect for builders and readers alike, this pack subtly enhances immersion and library aesthetics without altering gameplay mechanics or performance. […]

V
1.13

Version Detector

An API for datapacks to detect your Minecraft Version

3.7kdownloads
D
1.21.6fabric

Disable Click Event Warning

Disables the annoying pop-up added in 25w20a when you just want to click a button that runs an operator/invalid command

1.7kdownloads
L
1.21.8fabric

Lightning Vector & Bounding Box Visualizations

Minecraft Debug Mod that adds commands to render boxes and vectors.

1.1kdownloads
G
1.13

GUI Command Blocker

GUICommandBlocker Stop players from using commands while they have GUI open! (Specially to prevent mod like ui utilis to sent commands in gui)

70downloads