Minecraft Java 1.21 Mods
Browse 22,362 free mods for Minecraft Java 1.21 — popular picks include PatternLogin, Hubsafio MOD, CarbonFLTR.
Step by step: How to install Minecraft Java mods & modpacks
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PatternLogin
An authentication plugin for offline mode servers
Hubsafio MOD
A mod inspired by dedsafio
CarbonFLTR
CarbonFLTR is a client side item filter mod who prevents you taking dropped item you don't want to pickup.
Sable: Fragile Snow
Tiny datapack that adds Snow Layers and Powder Snow to Sable's fragile blocks tag.
DragonEgg
DragonEgg - Ultimate Dragon Power Plugin
StorageEye
This mod adds a smart storage overview to Minecraft. Mark containers with a stick to see floating item icons, search your entire storage via GUI, and locate items. You can do that with the /chests comand
WinterWibe
WinterWibe is a lidle plugin that allows snow to spawn all over the server!
end Update (Enderite & Biome Expansion)
Ever want an end update? Then download this mod and get it with 4 new biomes and tons to explore, get out and face the end

Tools, Don't Break.
Broken tools will stay, like Elytras.
CamFly
The fair alternative to spectator mode: fly as a camera while your body remains vulnerable.
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨
YVtils Discord
The Discord Module out of the YVtils-SMP plugin as single plugin
Dimension Tickrate
Dimension Tickrate 是一个适用于 Minecraft NeoForge 1.21.1 的服务端优化辅助模组。
Fast Golden Carrot Crafting
Makes golden carrot crafting faster
Right click harvester
Basic foila/paper plugin to allow right click harvesting, with some configuration.
Daily Missions
DailyMissions adds fully customizable daily and weekly missions to your server complete tasks, earn rewards, and keep players engaged!

TickWarpSleep
Changes sleep to skyrocket the game's tick rate instead of flat out skipping through a night or thunderstorm. Makes the grind a little easier, and may set your server on fire!
Improved Combat
Reworks existing combat related enchantments to be less strict.
XPVault
XPVault is a lightweight plugin that stores players' XP safely across sessions. Supports Minecraft 1.21 to 26.x
Eternal Nether Star│永恆的下界之星
Nether stars no longer clear after 10 minutes. Same as Bedrock Edition.│下界之星不會在10分鐘後清除。與基岩版一致。
Missingno
A silly little mod to change the game's black and purple "missing texture" texture
LazyChests
Automatic Sell Chests With Configurable Prices & Admin Controls.
Cobalt of Imagination
Push and pull blocks with redstone. Cobalt Imagination comes with a whole variety of blocks and items.
Trading Stalls
Set up player-owned shop, price your goods, and sell to players or villagers
Wither Aspect Enchantment
A reasonable alternative to Fire Aspect, with downsides
StrengthBlocker
A plugin that disables the Strength 1/2 effect.
Weapon Maker
Create your weirdest weapon in Minecraft!
Adaptive World
Adaptive World is a datapack/mod that makes the game harder the more you stay in one area
MeowFurniture
Create survival-friendly custom blocks, ores, multiblocks, crafting, and commands, with a web block generator.
Climate Based Growth
Plants grow based on biome temperature. Optimal climates speed up growth, while harsh climates slow it down.
Better Netherite Combat
Improves late-game combat by changing netherite knockback mechanics
CircuitBreaker
Surgical chunk-based event filters to isolate and defuse lag machines without affecting player performance. Instantly freezes chunk loops exceeding TPS margins.

Niin's Totem of Alliance
Adds a totem that makes ghasts ignore you when held.
Cheaper Scaffolding
Craft scaffolding with sticks! (doesn't replace default recipe)
Ores Armor Tools
this is my first mod that adds new ores, new armor and new tools!
GreatImpostor
The simple, easy-to-use, and clean Minecraft Among Us.