Minecraft Java 1.21 Mods
Browse 21,902 free mods for Minecraft Java 1.21 — popular picks include PMWeatherCM1, Nostalgia Items, 1.21.6 Recipes Backport.
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PMWeatherCM1
Addon for Protomanly's Weather that adds physically simulated storms
Nostalgia Items
Removes Modern recipes and reverts back to old names!
1.21.6 Recipes Backport
A Datapack that backports the bundle, saddle and lodestone crafting recipes.
Create Radars: Mobile Radars
Mobile radar display and radar vision googles for the create radars mod
Infinite Dragon Eggs
Ensures a dragon egg spawns each time a dragon is killed, regardless of whether a dragon has been killed before.

kiluho's Keystrokes
Worlds most advanced and user-customizable keystrokes mod
Cape Provider X (also PiCapes Mod)
Fork of Cape Provider Mod with upgrades by xsyanic and extended providers (PiCapes, Cosmetica, SkinMC, etc.)
One-Step Dyed Shulker Boxes [PurpurPack]
Allows crafting dyed shulker boxes without having to craft the box first
Public Ender Chest
A Minecraft server-side mod that adds a public inventory accessible via an Ender Chest.
Amethyst Beacon Base [PurpurPack]
Make beacon bases of amethyst blocks, and use amethyst shards as beacon payment
Target Dummy
Craft a target dummy and test your attack damage!
EnviroMine Lite
EnviroMine is all about environmental realism whether it be clean air or even keeping a sane mind in Mincraft’s labyrinth of dark caves, it will test your survival skills and endurance.

Rudimentary
Slow down early game progression by making players gather resources before breaking blocks.
Bombs by Juix
Datapack adding a few unique & custom TNTs
notblue's Vegan Recipes
Craft most peaceful and hostile mob drops using vegan base ingredients

Yeet
A mod about throwing things.
Locked On
Client-Side mod that allows you to lock you camera onto any entity!
BetonQuest
Create unique Quests and Storylines! 🏆 Top 10 best rated Spigot Plugin of all time 🏆 Interactive Conversations with Choices. Quest Logs, Menus, Items, Notifications, Holograms, Translations. Integrates with 36 of your favorite Plugins!
AIO - Villager Bucket
Easy villager transport and storage!! Just store him in a bucket :)
Create Defensive
Create: Defensive is a military-industrial expansion to the Create mod centered on warfare and defense.
Cobblemon Launchers
A Cobblemon mod that adds Pokéball launchers that you can use to catch Pokémon.
Guard Villagers (Fabric) Fork
Unofficial Port of MrSterner's GuardVillagers to 1.21.4+
Anti Netherite
a fully configurable, folia compatible, make-netherite-not-work plugin for smps

1.21.2 Bundle Recipe Backport
This datapack/mod simply backports the same recipe from version 1.21.2 to other versions.
Simple CPS
A very simple mod to display how much cps you're getting!
Modern Fullbright
Modern fullbright, no more dark! See everything with light in any server!
Black Market Goods
Illegal black market of goods, where you can buy and sell almost all items in Minecraft.
Apollo
Lunar Client's next generation server-sided API
Helpful Ghasts (formerly Happy Airships)
Happy ghasts are cute, but they should be useful too.
Plants vs Zombies:Gospi Edition ( PvZ:GE )
This is my modification that adds plants and zombies in forge 47.2.0
MicroCutting
Craft mini versions of blocks using player heads with new stonecutter recipes
FoxGate AntiVPN
#1 AntiVPN Plugin - Powerful AntiVPN & AntiProxy for your server for Free! (Hytale Support)
Random Crafts
Randomizes crafting recipes. Can you survive the chaos?
Improved Genetics
This mod basically adding DNA mechanic for every Living Entity and let users to create modified offsprings for their entities via custom machines.
Cobblemon MiniGames
Bring a Game Corner arcade casino to Cobblemon! Play Gacha, Roulette, Slot Machine, Flappy Bird, Block Stacker, Snake, Derby & Voltorb Flip. Earn coins, hit jackpots, and redeem rare items & Pokémon. Fully configurable rewards, odds & shop.
Village Map on Start
This simple datapack/mod gives players a map to the nearest village when they first log into the world.