Minecraft Java 1.21 Mods
Browse 21,951 free mods for Minecraft Java 1.21 — popular picks include Use The Tool!, Advancement Tracker, Don't Wait Up.
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Use The Tool!
A simple, light-weight mod that requires the player to use the correct tool to mine a block
Advancement Tracker
A Minecraft mod that allows for better advancement progress tracking with detailed insights for biome exploration, animal taming, breeding, food consumption, and monster hunting.
Don't Wait Up
"Don't Wait Up" allows 1 player in a server to sleep which will skip the night as if everyone has slept. No more frantically messaging your friends to lay down when they're in the middle of something!
Repair Station
Adds a new repair station functional block: consumes flint - repairs tools/armor.
Magnetism
Datapack adding a magnet that automatically pulls nearby dropped items toward the player.
Better Vanilla Villager Trades
Using VillagerConfig, this fixes many of the problems with Villager trading in a way that still feels vanilla, incorporating some of the ideas from the experimental trading snapshots.
TimeVersa: Travel Between Versions
TimeVersa is a mod that lets players time travel between versions. It currently supports Alpha 1.1.2, Alpha RD, and Indev Hell.
No Anvil Penalty
Removes the enchantment and repair penalty from anvils

Fireball Guard
This mod provides a trajectory previev when projectiles like fireballs and arrows are flying your way.
Mechanical equation GUI Add-on for EMI mod
This is an add-on for Mechanical Equation GUI pack,It made unique textures for most of the GUI images of EMI mod.
Dont touch water!
Minecraft, but you can't touch water
Pathfinder Origins
Pathfinder inspired Origins for NeoOrigins
VolleyBall UPDATE
Updating the "VolleyBall" plugin.
Donut SMP Amethyst pickaxe
Amethyst Pickaxe Like SMP Donut
Taste Fatigue
New foods aren’t just novelties or one-offs
More Recipes by Selah
A collection of over 50 types of crafting recipes to help reduce the grind while keeping the game feeling vanilla. Actual recipe count is over 300.
Enchantment MAX
Max level of enchantments are now 255! NO COMMANDS! All available in creative, and combined in survival!
Thoughtful Recipes
Not just your avarage recipe tweaks datapack.
Fair Play for Xaero's Maps
Forces fair play mode on Xaero's World Map and Mini Map
Bosscraft 2: Remake
Bosscraft 2: Remake is an unofficial project inspired by Sthullen's famous mod for older and outdated versions of Minecraft. This project takes the iconic mechanics of the classic mod and integrates them into modern versions of the game.
Cauldron Optimization│煉藥鍋優化
The liquid inside the Cauldron will remain after the Cauldron is destroyed.│煉藥鍋內的液體會在煉藥鍋被摧毀後會保留。
Effect Countdown
A client-side mod that warns you using sound cues when effects are running out. Configurable.
Foods+
Foods+ implements new food items to Minecraft.
Pepe's Forge
Plugin adding custom weapons & tools with unique mechanics: Katana, Scythe, Greatsword, Chisel, Bow, Spear, Anchor, Throwing Knife and Shield.
MrFEG's Flashlight
MrFeg's Flashlight is a functional utility mod that functional, high-quality Flashlight with various features included to your game
system teams
Fabric 1.21.11 teams mod with levels, team chat, PvP control, and leaderboard.
Stackable Bundles
A simple mod that allows you to store a configurable amount of unstackable items in a bundle.

/kit plugin
/kit mod for paper 1.21.11 servers that give you beginner gear
R.I.P. - Renamed Items Persist
Renaming items prevent them from despawning
Copper Wiring
Lightning Rods can function as electrical wires, transferring power in ways Redstone cannot! Circuitry has been transformed!
Plantable Golden Carrot
Make Golden Carrot Plantable, with balancing game mechanics!
One Player Sleep Server Mod
The best multiplayer sleep mod. (This mod does not use custom sleep percentage)

Tweaked Trials
A few tweaks to Tricky Trials update, including repeatedly openable vaults and entity particles
ElytraS (elytra swapper)
In this mod you can switch your elytra to chestplate and then chestplate to elytra By only a key. :) The Default Key-Bind Is (R). :)
StatsMod
Track many Stats for your players
RandomScale
🎲 Every mob receives a random size whenever it spawns or is loaded into the world.