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Minecraft Java 1.21 Mods

Browse 346 free mods for Minecraft Java 1.21 — popular picks include LANBroadcaster, PerformanceX, HUB.

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LANBroadcaster
1.19

LANBroadcaster

Broadcast your Minecraft server over the local area network and have it appear in the LAN server list

14kdownloads
PerformanceX
1.19fabric

PerformanceX

Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.

14kdownloads
HUB
1.0

HUB

This Velocity plugin adds a '/hub' command for quick teleportation to the hub server. It supports customizable messages, configurable hub servers, custom aliases and smart load balancing.

13kdownloads
AutoUpdateGeyser
1.8

AutoUpdateGeyser

Automatically update Geyser and Floodgate!

12kdownloads
SQLib
1.16.5fabric

SQLib

The easiest way to store data for all your minecraft needs!

12kdownloads
ESU
1.17.1

ESU

Plugins for Minecraft server, with many life essencial and util modules. Save your upload bandwidth with new anti-xray+esp engine; Bring your servers to a new level!

11kdownloads
CleanStaffChat
1.8

CleanStaffChat

Clean StaffChat is a basic StaffChat plugin, compatible with Paper, Folia, Spigot, BungeeCord and Velocity (RedisBungee is supported).

11kdownloads
MapModCompanion
1.8

MapModCompanion

Fixes Multi-world detection by simulating mod presence on the server side

11kdownloads
Packet Auth
1.18

Packet Auth

Authorization system for servers

9.2kdownloads
CommandBridge
1.20

CommandBridge

Connect all your servers together and bridge commands across your entire Minecraft network.

8.4kdownloads
Velocity Limbo Handler
1.8

Velocity Limbo Handler

A simple plugin for handling limbo reconnection/handling

8.1kdownloads
VeloAuth
1.8

VeloAuth

Secure Velocity auth plugin with auto-login for premium players and registration/login for offline players.

7.6kdownloads
PistonMOTD
1.8

PistonMOTD

✨ Control your Minecraft server's MOTD. Supports RGB colors and multiple platforms.

7.0kdownloads
azuvotifier
1.21

azuvotifier

Yet another NuVotifier/Votifier fork with various enhancements, such as Redis forwarding and support for additional platforms.

6.9kdownloads
AutoViaUpdater
1.8

AutoViaUpdater

Automatically update all Vias -> ViaVersion, ViaBackwards, ViaRewind, ViaRewind-Legacy!

6.4kdownloads
Infinite Capacity Cell
1.21neoforge

Infinite Capacity Cell

Add an AE2 cell which can store almost infinite items and fluids

6.4kdownloads
ProtoWeaver
1.14

ProtoWeaver

A networking library for creating custom protocols that run on the internal netty server.

6.3kdownloads
Playtime Velocity
1.8

Playtime Velocity

Track and view player playtime with Playtime Tracker for Velocity.

5.5kdownloads
简约生电优化 Simplicity Survival Optimization
1.21.6fabric

简约生电优化 Simplicity Survival Optimization

简约的,生电整合包,更好的优化 simple, survival-assisted modpack, better optimizations

5.4kdownloads
像素城_魔法核心整合包【PixelCity_MagicCore Modpack】
1.21.11fabric

像素城_魔法核心整合包【PixelCity_MagicCore Modpack】

《像素城》魔法核心整合包(1.21.11版),专注生存红石工程。为自动化系统、多人性能优化及技术向Minecraft玩法量身打造。PixelCity MagicCore Modpack (1.21.11) for Survival Redstone Engineering. Optimized for automation systems, multiplayer performance, and technical Minecraft gameplay.

4.8kdownloads
YeeeesMOTD
1.0

YeeeesMOTD

Customized server motd

4.7kdownloads
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
Minecolonies Modernization update
1.21.1neoforge

Minecolonies Modernization update

Modification to Courier Transport Capacity in the minecolonies

4.1kdownloads
GeyserPackSync
1.18.2

GeyserPackSync

A Velocity/BungeeCord plugin to apply different Bedrock Edition resource packs depending on the server the player is on.

3.9kdownloads
All the Simple
1.21.1neoforge

All the Simple

A lightweight yet versatile modpack that balances simplicity with variety.

3.6kdownloads
Creator Academy Based on Create
1.21.1neoforge

Creator Academy Based on Create

in the world of imagination... Everything is different, machines, electricity, items and more. The leading rule is to automatize everything.

3.5kdownloads
GeyserFloatingPoints
1.21.11

GeyserFloatingPoints

Fix floating-point precision on Bedrock when at high coordinate (distance effect).

3.4kdownloads
StreamingModule
1.8

StreamingModule

Twitch Drops and Minecraft Twitch Integration | Spigot, Paper, Purpur, BungeeCord, Velocity

3.4kdownloads
VelocityResourcepacks
1.8

VelocityResourcepacks

Easily set server resource packs on your whole Velocity network, per server or even per player!

3.3kdownloads
RustyConnector
1.16

RustyConnector

Register new servers without restarting Velocity!

3.3kdownloads
AlwaysAuth
1.8.8

AlwaysAuth

Keep your server always online even if Mojang is offline!

3.3kdownloads
Xinzhou 新州 [XZ]
1.21.1fabric

Xinzhou 新州 [XZ]

一个有关地铁和城市建设的整合包。 A modpack about MTR and city craft.

3.2kdownloads
Nations & Villagers – AI Reborn
1.21.1neoforge

Nations & Villagers – AI Reborn

Town building, AI integration and hole inteactive city system.

3.0kdownloads
PooperMC
1.16.5

PooperMC

The all-in-one solution for any server. Message Logging, Mention, Chat Color, Description / MotD, Muting, Reporting, Staff-Chat, Friends, Parties, Vein-Mining, Whitelist, Better-AI, AFK, Menu Commands, Global Ender Chest, Death-Banning, Anvil-Cap and more!

3.0kdownloads
CobblemonCity Core
1.21.1fabric

CobblemonCity Core

A modified fork of the Cobblemon mod, adapted to better integrate with custom features and a curated gameplay experience.

2.9kdownloads
Connection Guard
1.8

Connection Guard

Connection Guard is the best free Anti VPN and Geo Blocker.

2.9kdownloads