Minecraft Java 1.21 Mods
Browse 1,938 free mods for Minecraft Java 1.21 — popular picks include MapLock+, glfw-input, NewPlayerProtection.
Updated daily
MapLock+
Adds map locking/unlocking. This protects it from being copied.
glfw-input
Client side mod that uses GLFW input polling for lower latency input, and more.
NewPlayerProtection
A powerful and fully configurable Minecraft plugin that protects new players from PvP, mobs, and damage, ensuring a fair and smooth start on any SMP server.
Carpet-YBS-Addition
This is an expansion mod for Carpet that offers useful or useless features for YBS Server.
Compress Plus
Automatically compresses ores into blocks while you mine. Hold the Auto-Compressor in your offhand and watch as raw materials are instantly converted, perfect for box servers.
Broken Stones│碎裂的石頭
Stone slabs and stone stairs will break into cobblestone after being destroyed, and can be restored to their original state through a furnace.│石頭台階和石頭樓梯被破壞後會碎成圓石的,並且可以透過熔爐恢復原狀。
Hide Downgrade Warning
Hides "Downgrading a world is not supported" warning when opening worlds saved in newer version of Minecraft
Craftable End Stone│可合成末地石
Added End Stone recipe.│添加了末地石配方。
Auto Nether Wart
This mod automatically detects dropped Nether Wart items resting on Soul Sand and instantly plants them into the block above, consuming one Wart per placement.
Limit blocks for players
Limit itens for players To prevent abusers, such as chunk loaders, entity blocks, etc., which could break the ground, a player can set a limit on the number of blocks a player can place on the ground.
SMPEnhanced+
A comprehensive plugin built for survival multiplayer servers that want fine-grained control over combat balance, limits, and quality-of-life improvements which are all configurable in-game.
Volt: Server Control
25+ unique admin commands for player management, world modification, and physics control. Freeze fluids, magnetize items, instant healing, gravity control, and much more.
SparkWord
You define the rules, SparkWord enforces them. A lightweight, lag-free plugin that makes keeping your chat clean effortless. simply add your list of filtered words, and let the plugin do the heavy lifting of blocking spam, swearing, and bots for you.
EliteRegen
EliteRegen is a very customizable, high efficiency, light-weight block regenerating plugin!
Rg_Home
Rg_Homes is a simple Minecraft home plugin that lets players set up to 54 homes. Perfect for server owners who want customizable home slots with permissions support.
Ol' Reliable Fishing
This datapack restores the fishing system so now you will be able to fish for treasures in 1x1 water blocks again.
Drop & Grow
Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival
Better Campfire Cooking
It makes campfires better by adding new recipies, doesn't impact performance much.
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
NitroSkulls
Count the days, collect the skulls!⚡
CropProtect
Everything about plants and gardening.
noLobbyChat
The NoLobbyChat plugin for Spigot/Paper disables chat for regular players in lobby servers while allowing staff to chat freely. It includes a configurable response message, an in-game command for changing the message, and supports color codes.
Botany Trees x Farmers Delight - Expanded Compatibility
Adds improved compatibility between Botany Trees and Farmer's Delight. Adds new tree compatibilities and axes in botany hopper tool slots.
Name Tags Not Consumable│命名牌不是消耗品
Name tags are rare, but why do they get consumed after use? This data pack makes name tags not consumed after use.│命名牌很稀有,但為甚麼它使用完以後會被消耗掉呢?這個資料包使的命名牌使用後不會被消耗。

Craftable Light Block
Just DataPack add recepie for light block
MobSpawnBlockerPL
MobSpawnBlocker is a lightweight plugin for Paper, Spigot, Bukkit, Purpur & Folia that allows you to block specific mobs from spawning using an easy-to-edit config.yml.
No Silktouch Warn
This mod warns you when you use a non-silktouch-netherite or diamond pickaxe to mine an enderchest. The warning is customizable.
xTree
TreeFeller is a Paper plugin for Minecraft 1.21.x that makes tree cutting feel more natural and visually satisfying.
Natural Armor│天然鎧甲
Turtles and armadillos now have higher defense.│海龜和犰狳現在擁有更高的防禦力。
ULTIMATE SMP LITE
A lightweight SMP utility plugin with homes, teams, TPA, scoreboard, and realistic tree gravity. Designed for clean, simple, performance-friendly survival servers.
PluginPilot
Download plugins directly from Modrinth,Hangar,SpigotMC while being ingame! Load,unload, debug all in one plugin itself :)
CyberWorldReset
Easily reset a world with a scheduler or a specific time/date and more!
SinceEnchantments
The Ultimate, Highly-Optimized RPG Custom Enchantment System for PaperMC
MCReportPro | Report Plugin All In One!
moyuReport is a comprehensive Minecraft server management plugin that provides an integrated reporting and banning system. The plugin enables players to report rule-breaking behavior while offering administrators powerful tools to manage reports and enforc
Snowballs Extinguish Fire
Makes snowballs thrown at fire extinguish it, like they should! Also plays sounds when splash potions extinguish fire.
AC - Accurately Curated
A plugin for administrators offering player invisibility (vanish), phantom blocks, and many other features.