Minecraft Java 1.21 Mods
Browse 351 free mods for Minecraft Java 1.21 — popular picks include PerformanceX, HUB, AutoUpdateGeyser.
Updated daily
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.
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.
AutoUpdateGeyser
Automatically update Geyser and Floodgate!
SQLib
The easiest way to store data for all your minecraft needs!
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!
CleanStaffChat
Clean StaffChat is a basic StaffChat plugin, compatible with Paper, Folia, Spigot, BungeeCord and Velocity (RedisBungee is supported).
MapModCompanion
Fixes Multi-world detection by simulating mod presence on the server side
![AutoMessage [1.21]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/147259.webp)
AutoMessage [1.21]
⚡ AutoMessage is a high-performance plugin for fully customizable automatic server-wide broadcasts.
Packet Auth
Authorization system for servers
CommandBridge
Connect all your servers together and bridge commands across your entire Minecraft network.
Velocity Limbo Handler
A simple plugin for handling limbo reconnection/handling
VeloAuth
Secure Velocity auth plugin with auto-login for premium players and registration/login for offline players.
azuvotifier
Yet another NuVotifier/Votifier fork with various enhancements, such as Redis forwarding and support for additional platforms.
PistonMOTD
✨ Control your Minecraft server's MOTD. Supports RGB colors and multiple platforms.
AutoViaUpdater
Automatically update all Vias -> ViaVersion, ViaBackwards, ViaRewind, ViaRewind-Legacy!
ProtoWeaver
A networking library for creating custom protocols that run on the internal netty server.
Infinite Capacity Cell
Add an AE2 cell which can store almost infinite items and fluids
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
Playtime Velocity
Track and view player playtime with Playtime Tracker for Velocity.
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.
YeeeesMOTD
Customized server motd
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.
Minecolonies Modernization update
Modification to Courier Transport Capacity in the minecolonies
GeyserPackSync
A Velocity/BungeeCord plugin to apply different Bedrock Edition resource packs depending on the server the player is on.
All the Simple
A lightweight yet versatile modpack that balances simplicity with variety.
![Xinzhou 新州 [XZ]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/110236.webp)
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.
GeyserFloatingPoints
Fix floating-point precision on Bedrock when at high coordinate (distance effect).
StreamingModule
Twitch Drops and Minecraft Twitch Integration | Spigot, Paper, Purpur, BungeeCord, Velocity
VelocityResourcepacks
Easily set server resource packs on your whole Velocity network, per server or even per player!
AlwaysAuth
Keep your server always online even if Mojang is offline!
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.
RustyConnector
Register new servers without restarting Velocity!
Nations & Villagers – AI Reborn
Town building, AI integration and hole inteactive city system.
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!
Connection Guard
Connection Guard is the best free Anti VPN and Geo Blocker.
CobblemonCity Core
A modified fork of the Cobblemon mod, adapted to better integrate with custom features and a curated gameplay experience.