Minecraft Java 1.21 Mods
Browse 21,905 free mods for Minecraft Java 1.21 — popular picks include FastXP+, God Mace Back, Armor Swapper.
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FastXP+
A simple client-side optimization mod that allows you to throw XP bottles instantly and fast by just holding down the right-click.
God Mace Back
Datapack that allows mace to have breach and any damage enchantment together
Armor Swapper
Quickly swap your armor by right clicking them inside your inventory!
Spelunker's Palette
Consistent building blocks for minerals and metals
ChunkBound
Survive and grow starting from a single locked chunk. Expand your world one chunk at a time, unlock new mechanics, and build a compact but powerful base. ChunkBound is a progression-focused survival pack where every block matters.
Simple Timer
This Datapack introduces a simple, customizable timer and countdown feature, making it perfect for mini-games, events, or personal projects. It works easy within your existing Minecraft worlds.
Lavaflow
Completely overhauled Nether: Lava rivers on 2 heights with lavafalls between them, proper valleys, oceans, and new biomes and structures.
Border Expands Per Day
Pretty Self Explanatory, For Every Minecraft Day Survived The World Border Around You Expands.. This Is A Data Pack So You Can Add It To Any Minecraft World Save From 1.14 Through 1.19.3
Impenduits
Adds weak forcefields powered by Hearts of the Sea
let's go starter
pikachu and eevee from let's go without the jacket in cobblemon
Level Z - Deeper and Darker
A LevelZ Addon for the Deeper and Darker mod.
Better Cobblemon Spawns
I am attempting to update the cobblemon spawn conditions so that pokemon like dratini are easier to find and dont only spawn at Y Level 32 and below.
BONK
Bonk a villager with a shovel to reset their trades
Shriek
A Minecraft speech to text library; detect what your players say!
Big Tires
Adds a lot of pretty huge tires and additional physical properties for them for Create Off-road
Friend or Foe
A Fabric mod to recreate the Friend or Foe YouTube series with your friends!
CustomAnvil
Custom Anvil is a spigot plugin that allows server administrators to customize almost every aspect of the anvil's mechanics.
BottleCaps [Cobblemon]
Bottle Caps adds recipes for bottle caps that let's you max out your Pokémon's IVs.
Remove Deepslate
Get rid of Deepslate from the world generation.
Energy Bar Indicator
Turn your world into a RPG game adding the Stamina Bar

Symbols 'n' Stuff
Symbol Font! Simple library that adds a symbolic font to the game, which can be used to display visual symbols anywhere text can be displayed
Prism Mod Menu
✦ Prism Mod Menu Super Cool Animations ⚡
No Ender Pearl Damage
Removes the damage that the player receives when using an ender pearl. [Supports 1.20.2 to 1.21.2]
No Ghost
Removes ghost items and blocks in a server.
Starcaller
Pull stars from the sky and reshape them just like the old tales. Navigate using named stars. Start a color turf-war. Paint art.
Solstice Essentials
Essential commands and features for Fabric servers
Unbreakapack
A data pack that gives the item an "unbreakable" tag.
Boatism
Add new and fully customizable Boat Engines to Minecraft. Traveling by sea will never be the same again!
Origins-Magic
An Origins Reborn origin addon for PaperMC servers, adding 8 new origins themed on magic
KapLib
Library for all purposes
Mace's Origins
Welcome to Mace's Origins! My take on the origins mod for newer versions, different guis & more origins!
Pets Don't Die
This data pack makes pets (tameable mobs) unable to die*.
Cobblemon - Let Me Spawn
A Cobblemon side-mod that allows you to configure conditions (ultra-rare Pokémon by default) under which Pokémon can bypass the per-chunk Pokémon limit and spawn regardless
Dystoria Tweaks
Adds clientside information for the Dystoria Cobblemon server.
Lifesteal+VoiceChat
Well known lifesteal Mechanics with a addition of Simple voice chat.
Modern Nuclearization
Makes the Modern Industrialization nuke explodable