Minecraft Java 1.21 Mods
Browse 113,844 free mods for Minecraft Java 1.21 — popular picks include Alexandria Lib, Advanced Armor Bar, Punji.
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Alexandria Lib
Alexandria is a lightweight Minecraft library mod that provides shared utilities and a common foundation for other mods. It doesn’t add gameplay on its own but serves as a core dependency to make mods easier to build and maintain.

Advanced Armor Bar
Renders armor type, toughness, enchantments, and color
Punji
Sharpened Bamboo for Killing Mobs
Knokko's Custom Item Editor
The graphical configuration tool for my custom items plug-in
Story Mode OST
Replaces all songs (including discs) with MCSM songs while fitting the vibe. Nether songs go in the nether, eerie songs go in the end, etc. Over 70+ different songs.
GPFlags
Flags for GriefPrevention claims. Allow players to customize their own GP regions in any way they want!
Pride GUI
A LGBTQ+ pride themed GUI resource pack for Minecraft.
Wearable Items+
Put items/blocks with unique models in your head
Barklings
Barklings adds little forest creatures to each of Minecraft's wooded biomes.

DeathCoords
Shows a player that died his death coordinates in chat.
Apotheosis Addon Compat
Apotheosis Addon Compat is a simple addon that only adds compatibility between Apotheosis and other mods.
Easy Navigator
Navigate coordinates efficiently by having a compass that shows you the way!
Horrific 3 Totem of Undying
Horrific Totem customizes the Totem of Undying in Minecraft with a horror-inspired design, adding an eerie and dark theme to the game.
6 Stairs
Craft stairs by 6, one for each block used
Sussy Ender Eyes
Makes placing ender eyes in end portal frames play the Among Us drip melody.
Infernal Expansion Redux
A rebuild and remaster of one of MC's most iconic Nether mods, now on 1.20.1 on Forge AND Fabric!

UUID Hex
High-performance library for formatting UUIDs into hexadecimal strings.
Cobblemon: ShadowedHearts
A side mod for Cobblemon that adds Shadow Pokémon, Snag Machines, Purification, and more!
Srectra xray pro
With this resource pack, you only see what really matters: ores and bedrock.
Distant Horizons Pack With Solas Shader
A Distant Horizons Modpack with a few terrain mods and Iris
FancyGlow
Make your players glow with a selection menu, permissions or via Vault hook.
Infinity Mending Bows [PurpurPack]
Allows infinity and mending to be placed onto the same bow
Thormen 1.21.1 - Mekanism - Spaceships - ICBMs - Force Fields - Nuclear Science - Voltz successor - Modpack server running
Voltz as it should have been. Yes, it has ICBM's, and you bet - lots more

UltimateAutoRestart
The most powerful and versatile autorestart plugin available.
Pears
Retextures Apples and Golden Apples to look like Pears and Golden Pears.

Emerald Equipment
Adds emerald tools, weapons, and armor to Minecraft
AutoSellChests
Provide your server with automatically selling chests
TNT Run | [1.21.11 - 26.2]
TNT Run is a fast-paced jump 'n run TNT game where players survive as long as possible by parkouring
The Dirty Stuff
This mod adds tobacco related items, like cigar/cigarettes
SWAGSTAN 16X
This includes a texture pack of Crystal PvP Essentials which will help you raise your tier in CPvP and it has been specially made to boost your fps
Create: Deep Seas - Lava Fix
Fixes a bug in Create: Deep Seas where players inside a sealed submarine still take fire/lava damage while submerged in lava, even though the interior is correctly emptied.
Anything
Create tools and armor out of any block! This mod adds 3800+ tools and armor pieces to the game, for each of the blocks in the game.
Super Hopper
A new hopper that's 8x faster than vanilla hoppers!
No More Trail Ruins
Removes trail Ruins from the world generation.
Horse Armor & Stuff
A resouce pack that remakes the horse armor textures of Actions & Stuff and brings them to Minecraft: Java Edition
Operation: Starcleave
Cleave open the sky, and unite Earth with the Heavens.