Minecraft Java 1.21 Mods
Browse 22,165 free mods for Minecraft Java 1.21 — popular picks include TutorialBook, SuperTsunami, OrjusHummer.
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TutorialBook
In-game handbook for rules, guides, and tutorials—reduce support spam and onboard players fast.
SuperTsunami
Makes water and lava from buckets spread rapidly and infinitely, causing instant flooding.
OrjusHummer
Adds customizable Excavator (area mining) and Magnet enchantments.

Power Tokens
Obtain powers to become stronger.
Nights But Different
Makes the night and sleeping differently beneficial so you it encourages playing while night! Also players start a countdown to sleep on a server, the more % of players are sleeping, the more of the countdown gets skipped.
StormtrooperX
Make ranged mobs miss more - reduce accuracy of Skeletons, Strays, Pillagers, and Piglins

NutritionZ Plus | Silent's Gems
This datapack adds nutritionZ values to the food items added by Silent's Gems. While there are few, there are still values work adding.
G Rated Maps
a mod that stops maps from rending and makes them blank. its plug and play put into your mods folder in .minecraft and load up with version 1.21.4 and your safe from map arts on any anarchy server fully made by ai! i did not write a single line of code!
Kaizen Homes
Kaizen Homes add a modern player home solution to your server
Sculk Vault
Adds some sculky features to make the ancient cities more enticing
Frogs go Crazy
This datapack allows frogs to eat every mob (besides other frogs) like how they eat slimes and magma cubes.
ShortCutCommands
A Paper 1.21.4+ plugin to create in-game command shortcuts that forward to existing commands.
Hallucinogenic Mushrooms
Minecraft Datapack that implements hallucinogenic mushrooms (magic visuals)
Make it Craftable
A mod which makes most uncraftable items craftable.
infinity command stick
Плагин позволяет добавлять любые команды на палку. Идеален для стримеров (Twitch, YouTube и др.) в ивентах и интерактивах. The plugin allows you to add any commands to the stick. Ideal for streamers (Twitch, YouTube, etc.) in events and interactives.
Paper Item Frame Recipe | 用纸合成展示框
Adding a recipe for item frames using paper instead of leather. 加入一个用纸代替皮革的展示框合成配方。
Fake Manhunt [by ApexStudio]
Record a fake manhunt so that no one finds out about it...
ElytraBuster
a dynamic Minecraft plugin for 1.21 that introduces four levels of custom TNT designed to target players gliding with Elytra or using crossbow-launched fireworks. Each TNT level offers unique tracking speeds and explosion powers
Stronger Creaking
Makes the creaking deal more damage
The Eye Caster
Challenge the most intelligent mob which is a farlander.
Keep My Creak
A datapack for your creaking-using redstone contraptions
NoFreezeDamage
Prevents player from taking snow-powder damage
CC-Aeroworks
Extends Aerowroks with compatibility to ComputerCraft

Cobblemon Trainers
Make your own trainers, or drop in a datapack that brings them
Without Structures
Without Structures is a simple utility mod that allows you to control where structures can generate in your world.
Sable Gravity
Adds realistic gravity between Sable Aeronautics ships.(made with ai)
Cobblemon Aegislash Shoulder Mount
This Cobblemon pack allows you to mount Aegislash onto your back.
Retro converter
Retro Converter brings classic Minecraft textures from Alpha, Beta, and other versions into Minecraft 1.21.1 while keeping blocks fully functional.
Anti Magick: Ars Nouveau
Optional Anti Magick integration that suppresses Ars Nouveau spells and summons inside an active field
Memento Beta
This mod adds modernized Beta 1.7.3 dimension.
Endoplasm
The End finally has a slime, and it eats blocks. Feed a violet gel cube obsidian and get crying obsidian back. It teleports its prey, splits when killed, grows from chorus fruit, and rides home in a bucket. The conversion table is yours to edit. Fabric.
Ultimate Warp Pad
Minecraft - Steven Universe WarpPad System
NeoForge Command Blocker
A mod that blocks selected commands from being used on a world/server (even for OP's and server console)
Softbody
Makes everything wobbley and squishy
Skeleton Sword
Gives configurable equipment variants to Skeleton-family mobs.
SpeedFix
SpeedFix patches the Soul Speed III glitch on Paper servers that allows unintended speed boosts.