Minecraft Java 1.21 Mods
Browse 125,543 free mods for Minecraft Java 1.21 — popular picks include Simple Fly, Slime's Gallery (DISCONTINUED), CustomMace.
Step by step: How to install Minecraft Java mods & modpacks
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Simple Fly
Very basic plugin that allows for fly and flyspeed
Slime's Gallery (DISCONTINUED)
This mod adds new paintings!!! (no longer maintained)
CustomMace
Bored of the basic maces in minecraft, well this project makes the maces more enjoyable by adding custom abilities
DeathChests
Simple lightweight plugin that stores your items in chests(graves) on death, and lets you know where you died. (PS: better with Java than drawing)
Create Superflat
Simply adds recipes for better use with Superflat worlds and the Create Mod.
Nice Wandering Trader Trades
New and balanced trades for Wandering Traders including Mob Heads and Miniblocks
Factorocraft Essentials
A small mod that adds infinite ore veins, reminiscent of Factorios, to the surface of the overworld and other dimensions
Awesome Farmer
Utility mod that simplifies farming

Arte
A mod/plugin that optimizes big server resource packs!
Awakened Islands
A Create: Aeronautics Addon that adds physics-based floating islands to world generation!
Ducky Hearts
It makes your hearts ducks, now in curseforge!
Beeyond - Cobblemon Neo
A Cobblemon-focused adventure modpack where progression unlocks powerful modded tools like Create. Bilingual questbook included. Solo or multiplayer friendly.
Skyblock Resource Calculator
A Fabric mod focused on tracking your mining-related items in Hypixel Skyblock. It monitors changes in your inventory, containers, and sacks during mining sessions and helps analyze your resource data.
Nourished
Nourished is a nutrition mod for NeoForge 1.21.1 that tracks six food groups, rewards a varied diet, and applies balance buffs and neglect penalties. Includes an on-screen HUD, diet screen, and configurable modules for servers and modpacks.
Classic C418 Music Tweaker
Client-side Forge companion that shortens Minecraft music silence gaps and shows optional now-playing messages.
old enderman
turns enderman eyes to green, just like in old versions of the game!
Allay Totem
Remodel of the Totem of Undying to be an Allay.
No Vault Loot Limit
This is a Datapack that removes the limit of one Player per Vault.
Figurative
A resource pack for the mod, Figura.
DonutSMP Bal Checker By ALATIC
Bal Checker By ALATIC is a client-side Fabric mod for Donut SMP that displays players’ money balances directly above their usernames in-game. Instantly see how rich nearby players are without opening commands.
HiResShot
Enables your Minecraft to capture higher resolution images.
Ultimate Roleplay Kit - Mail
A datapack + Resourcepack combinations that adds envelopes & parcel boxes, to send mail to your friends!
Transparent Maps [1.16.5 - 1.21.11]
Allows players to make specific parts of a Minecraft map transparent
fat cat v2 - baby blue
a baby blue overlay to change the look of fat cat v2!

Overskip
This data pack's challenge takes you straight into the Nether. Your goal - escape... Or you can keep living in there! The pack features new recipes, loot table changes, challenge customization and more.
Revamped Cats
This mod revamps cat and ocelots in Minecraft
Supreme Set Homes 2 | A big set homes plugin
/home plugin, public homes, events support, economy hooked, tiers, cancellable teleport
ASTERA (3D TORCH)
GET A BETTER LOOK FOR YOUR TORCH WITH ANIMATED TEXTURES !
Ellie's Storage Options
Useful and pretty storage options.
Glock 17
Adds gun to minecraft!
More Concretes
Many more concrete colors
All Ore Beacon
Just a Datapack that allow you to make beacon with all minerals!
Better Scaffolding
Better Scaffolding, this texture pack significantly reduces the struggle of trying to see through towers of scaffolding.
KubeJS Metalworks (KubeJS Addon for Productive Metalworks)
KubeJS Metalworks is a KubeJS addon for Productive Metalworks that makes foundry recipe scripting simple. It adds easy helpers for melting, casting, alloying, removing recipes, custom durations, and custom liquid fuels.
Bedwars x Bamboo
lots of bedwars, pvp textures,sounds and a beautyfull custom skybox
InstaClumps
InstaClumps works like the Clumps, merging nearby XP orbs into bigger ones to reduce lag. It keeps the exact XP amount so players always get the right XP when picking them up. Includes settings for XP pickup speed, orb pull range, and TPS-safe merging. 🚀