Minecraft Java 1.21 Mods
Browse 21,951 free mods for Minecraft Java 1.21 — popular picks include The Copper Golem Mod!, World Randomizer, Your_Time.
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The Copper Golem Mod!
A minecraft mod that adds a brand new mob from the mob vote: The Copper Golem! Just like it was presented in the show, this mob will randomly press copper buttons, that has been added to the game too|
World Randomizer
All blocks are shuffled in world generation, making for an interesting and challenging playthrough
Your_Time
Display your playtime on the in-game HUD.
Blast protection indicator
A mod for displaying dressed leggings for explosion resistance. It helps to understand when greaves are worn for blast protection . There is a setting: transparency, position, on and off. I recommend using it with Centered Crosshair, ModMenu
Anti Mace Disabler
Disables the vanilla mace recipe for any form of crafting (table, crafters)
HarvestNotify
Automatically alerts nearby players when crops in a protected radius reach full maturity, eliminating constant farm checking.
Totem OffHander
you know how auto totem is a hack this fixes it by not making it auto totem, basically you press "U" and the mod puts a totem in your offhand from your inventory
FarmQuest
Farming to complete rewarding quests.
Radiant
This mod aims to integrate Minecraft into the Cosmere universe and add the Radiant Orders from the Stormlight Archive series by Brandon Sanderson
JWStatus
Share your status with your friends on the server (recording/streaming)

Unkindled
Makes furnaces require manual ignition to work, and campfires are placed unlit.
ClaimBlocks (ProtectionStones mod)
Awesome housing/claims mod very customizable and easy to use. Formerly known as protectionstones mod.
QOL Mega Showdown Recipes
This datapack adds recipes to a lot of unobtainable items from the mega showdown mod and adds recipes for the gimmick items so they are super limited items.
Origins: Lightningborn
Adds the Lightningborn origin to the Origins mod, control lightning and thunder to your will and cause devastating damage to everyone and everything!
Renamium
Renamium is a mod for Minecraft based on the Fabric API for viewing item renames and entity renames in resource packs.
Fletcher (Paper)
Adds Fletching Table functionality to PaperMC servers!
QoL Crafting
Adds many QoL recipes including woodcutting, full blocks from slabs, smelting raw ore blocks, and more
VelKoth
A modern, high-performance King of the Hill (KoTH)
Vanilla Thirst Bar
You can drink from a water source, cauldron or with vanilla items. Items have food/drink info on tooltip. You can see your food/thirst saturation on ur HUD with an Appleskin-like hud. Solo and multiplayer.
Wormhole Items
All of the CUSTOM items (that require multiple command blocks) from the Wormhole by Spoke, improved, and packed as a datapack.
World Edit as a Datapack
World Edit feature but as a Datapack. You can now fill areas with blocks with just one click!
Candid - A True Adventure
Welcome to Candid! This project adds structures, enchantments, and all things catering to a true adventure. It's built as a companion to True Survival Mode, but can be played independently.
CustomModelData Changer
A Fabric Mod that lets you change the CustomModelData of items
Limitless Lag
Simulate lag for those players that just won't leave you alone!
Media HUD
Media HUD is a client-side Fabric mod that adds a draggable media player HUD to Minecraft Java Edition. It supports local audio and video playback from disk, library browsing, saved HUD position, full and compact layouts and multiple visualization modes.
Fix Jungle Saplings
Fixes Jungle Saplings drop rates to match other trees.
Opticraft - Improve performance and experience
Add a lot of features without changing any game mechanics

Lingering Arrows
Tipped arrows create a area effect cloud wherever they land, giving them and their crafting recipe a purpose.
Moonstone-Relics
Moonstone's Relics Compatibility
DeathSpectator (Paper)
Death system that puts you as a spectator!
[SimplePetsAddon] PvP Addon
Checks for when the owner of a pet is in combat and will remove all their current pets
Saddle Arrows
Shoot yourself into the skies with new craftable arrows!
Totem of Recovery
A totem that lets you teleport back to your last death location after respawning.
NoNether Plugin
Prevent players from entering the Nether.
Everything Renewable
Make all obtainable resources renewable.
CombatGunSSS
Adds 45 unique guns to Minecraft, each with custom damage, recoil, fire rate, and reload mechanics, enhancing combat with balanced gameplay, multiple weapon types, and flexible customization for varied playstyles