Minecraft Java 1.21 Mods
Browse 251 free mods for Minecraft Java 1.21 — popular picks include Godmode- wither rework, DisableBats, NoCollision.
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Godmode- wither rework
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
DisableBats
Disallows bats from spawning naturally in the world.
NoCollision
NoCollision allows you to disable or fine-tune collision between players, mobs, and players vs mobs.
Everyone baby
A datapack that makes all mobs become a baby, even those that can't in the basegame. Use this datapack if you want the cutest experience :D.
HeightLimitSpawn
Control mob spawning based on world height.
Ali's PvP (Phone)
Fully optimized for Android with, performance tweaks, and seamless mobile PvP gameplay.
Better Trap Horse│更好的陷阱馬
Zombie Trap Horses can also spawn in Lightning, and Trap Horses can be triggered by any mob.│殭屍陷阱馬也可以在閃電中生成，陷阱馬可以被任何生物觸發。
Harmony I
A seamless and enjoyable modpack that transforms Minecraft with well-balanced development, fresh mobs, and mechanisms. Bronze progression, explore structures, complete quests, and dive into a world where every mod tastes like vanilla.
Better Pathfinding
A mod that fixes vanilla mob pathfinding bugs / 修复原版生物寻路缺陷
YouShallNotMove
A simple mod that prevents entities from being moved
Sakura Phantoms
A lightweight, high-performance plugin that adds passive Phantoms to the End dimension.
Custom Boss Zoryth AI
Zoryth AI Boss is a premium, high-performance custom boss framework for Paper (1.21.x).
PhantomGuard
Prevent Phantom spawns with player-specific permissions.
Traders Shrine
A centralized Villager Trading Hub for your Trading Halls. Features Bulk Trading, Upgrades and more QoL.
nearest-villager
Nearest Villager Job: Automatically assigns workstations to the closest villager and lets you highlight owners with a sneak-right-click. Optimized for Paper/Spigot 1.21.1+.
OGDuels
OGDuels is a lightweight, high-performance Duels, FFA, killstreak, bounty, and leaderboard module designed for competitive Minecraft PvP servers.
SYSTEM SMP
System SMP is a premium Minecraft plugin designed for survival multiplayer servers. It adds unique features including small caps text formatting, tree felling mechanics, custom item displays, and an economy-based spawner mining system.
Petrify an Oak Slab│石化一個橡木半磚
Added Petrified Oak Slab recipe.│添加了石化橡木半磚配方。
LBSpawners
Advanced stacked spawners
No Bullying
A lightweight plugin that prevents mob swarms by limiting how many mobs can target a player at once.
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!
PNode
Paper plugin with intuitive visual node-based editor for server logic. No coding required.
Improved Structures & Dungeons
The combination of all minecraft Structure & Dungeons Data Pack
CREEPER ANTI LAG
Advanced anti-lag plugin featuring TNT protection, intelligent item cleanup, mob optimization, lag machine detection, and real-time TPS monitoring.
CloudeEngine
The ultimate performance upgrade for mobile players. This engine optimizes hardware efficiency under the hood to deliver a fluid, stutter-free experience while maintaining a 100% vanilla look.
Cobblebalance
Re-balances for Pokémon stats, moves and abilities
Villera
Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners
ArmadilloSleeper
Sends Armadillos at XP Farms into Sleep to make TPS better but still make XP Farms very good!
Adaptive Entity Prioritization (AEP)
AEP dynamically reduces lag by throttling mob AI and item merge checks based on server strain.
Attributes UI
Adds a configurable attributes table to the player inventory, with custom attribute support, display transforms, separators, and an in-inventory toggle.
SquidGameZ
SquidGameZ is an automated 1.8-1.21.11 6-game Spigot tournament plugin with Vault rewards, spectator mode, and a dynamic lobby!
No Duping
Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).
Call Your Friends│呼朋引伴
Use your goat horns to call your animal friends.│使用山羊角來呼喚你的動物朋友。
Happy Trains
Happy Ghasts in minecarts look forwards!
UniversalMobFoundry
New generation of generators! You can buy monsters, simulate their loot, and upgrade the generator.
TemporaryCastration
Limit lags caused by massive farms !