Minecraft Java 1.21 Mods
Browse 21,905 free mods for Minecraft Java 1.21 — popular picks include LowdFX, TimedLife, Universal Web Heatmap.
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LowdFX
LowdFX extends your Minecraft server with an extremely comprehensive range of features that excites both administrators and players. The plugin combines teleportation, inventory management, moderation commands, and many more features in one package.
TimedLife
Limited-Life inspired plugin where time is the currency.
Universal Web Heatmap
A Minecraft-based Heatmap plug-in
Easy Harness
Simplifies harness recipes by making them shapeless and allowing any type of glass.
AwesomeHouses
wesomeHouses links AwesomeTaxes regions and AwesomeKeycards locks into a single house-buying workflow.
Easier Sea Lanterns
Changes the current crafting recipe to a more balanced recipe.
Coming Darkness
Survival data pack with my ideas to rebalance gameplay. It makes game passing a bit harder and longer.
Saddle and Lead Crafting Backport
Backports Saddle and Lead crafting recipes from 1.21.6+ to 1.21.5
Personal border
A minecraft datapack that confines players in their own "borders".
Sixeyes Vanilla Sprinkles
A mod that adds plenty of drop-like additions that aim to improve the overall quality of life.
MusicReady
A mod that adds some of the soundtracks released by MatyysMusic.
I hate the ender dragon and the ghast
Craftable Ghast tear and Dragon's breath
Craftable Creakings
This simple data pack allows one to craft a creaking egg in survival! Now you can build redstone machines that activate simply by looking at a creaking that doesn't despawn! (The creaking will not despawn if named)
Enchant when jump
This mod make it so ANY item you are holding can be enchanted with ANY enchantment to level 255 !!!

Craftable honey bottles
Adds a crafting table recipe for honey bottles (3 honeycomb + 1 glass bottle = 1 honey bottle). Works alongside the vanilla method — nothing's removed. Datapack only, no mods needed.
Magma Cream Craft
Now you can craft Magma Cream from stonecutting!
No savanna player spawn
Prevents player spawning in savannas
VoidLogin
A secure and lightweight authentication plugin for Minecraft servers with BCrypt encryption, session login, and player protection.
Wayfinder's Bottle
A vanilla-friendly exploration mod adding a magical bottle that reveals maps to distant biomes. Trade with Cartographers, loot chests, or fish for it!
Below Zero Deathban
The Deathban Mech For Below Zero SMP
Speed boost from running
With this datapack, you start the game moving very slowly, but your speed increases as you run.

Burn It
Simply right-click items over a lava bucket or flint and steel directly in any inventory to burn them!
BorderShrink
This plugin adds new commands: /bordershrink start & /bordershrink stop
Random Smelting
This mod adds random smelts, and everything depends on the seed and the material of the block and item
Stream Control
Stream Control lets your Twitch chat control Minecraft in real time with movement, actions, custom key inputs, and Bits-based mob spawns.
Night Walkers
Adds night walkers, white furry creatures that appear to be a pair of legs.
Anti Magick: Staff Mod
Optional Anti Magick integration that suppresses Staff Mod abilities and supported summons
Too many bars !
a mod that adds 5 bars that aim to make the game way more difficul and chaotic
Fhugs
Fhugs - simple hug plugin
CoreStaff
A lightweight staff moderation toolkit with staff mode, vanish, freeze, inventory inspection and random teleport.
CS-TFMG Compat
A datapack adding compatibility between The Factory Must Grow, Cold Sweat, and optionally, Create: Cold Sweat
HereEngy
A paper plugin to create and place blueprints from existing buildings
Concrete in the Cauldron
Turn concrete powder into concrete using a water cauldron — no rivers or oceans needed.
Easy Trading Russificator [РУС]
Official Russian language pack for Easy Trading Plugin. Allows you to change the plugin's system language to Russian.
SkillBind Bridge Server
Server-side bridge for casting MMOCore skill slots from SkillBind Bridge client keybinds.
PromoPlugins
A powerful plugin for managing promo codes on your Minecraft server with advanced systems: daily rewards, leaderboard, auto-promo codes, notifications, and shop.