Minecraft Java 1.21 Mods
Browse 126,825 free mods for Minecraft Java 1.21 — popular picks include Weber's Companion Resonance, BsCleaner, banana pack but better.
Step by step: How to install Minecraft Java mods & modpacks
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Weber's Companion Resonance
Build powerful passive abilities by fighting alongside your companions.
BsCleaner
Advanced entity cleaner with timer, sounds, titles & gradient messages for Paper servers
banana pack but better
banana mace mcdonalds fries custom totem sound and moreeee!!!
gugu gaga pack
the pack renames everything to gugu gaga
Vanellia
A Minecraft Resource Pack that aims for simplicity but stays somehow similar to Vanilla textures.
White Buttons
Makes the menu buttons white with a smooth texture.
Nature's Life
A modpack that more realism to minecraft and more detail
World Remoulded Lite
A Datapack version of World Remoulded, with only the terrain generation changes
VanillaResourcePack
A vanilla resource pack that doesn't interfere with the game

Ore Height Info
This mod adds a new menu, which opens with the Right Ctrl key. The menu contains the heights of the appearance of ores, as well as the best heights of their appearance.
display optimizer
This datapack optimizes block displays and item displays.
Ancient Abilities
A datapack that adds custom abilities and oaths.
GrimViaExempt — fix "reappearing blocks" for ViaVersion players on GrimAC
Auto-exempts old-version clients from GrimAC so Via-translated insta-breaks stop flickering back

More Solid Apples
More solid vanilla-like textures for apples.
The One and Only, Torch!
Yay! No more placing torches in my caves!
Boostify | Advanced Server Multiplier
The ultimate modular server multiplier! Boost Economy, XP, McMMO, Jobs, AuraSkills, and more
biome_and_portal
It adds new worlds new areas and music sharper than explosives in the trees
BanChest
Redistributes the inventory of banned players into labelled, glowstone-marked chests scattered across your overworld.
Maan Auth
A modern, secure authentication plugin for Paper & Spigot 1.21.11 with premium auto-login, CAPTCHA, session management, smart alt detection, and multi-database support.
Demiboy Slime
In solidarity with Pride Month
SquareShadows
This texture pack just changes enity shadows from circles to squares
GEsc
GEsc gives the pause and options menus a sleek dark-glass makeover with glowing cyan accents. Every button, slider, and checkbox is redesigned with smooth rounded edges and a modern neon glow. A simple visual upgrade for anyone tired of the default gray UI
SovaAntiLag
Heuristic anti-lag against redstone lag machines — without breaking legit farms.
One-Tap Rule
A hardcore Fabric mod replacing vanilla damage with a fixed, arcade-style hitpoint system and disabling natural regeneration.
⚡Spawner System ⚡ [1.21.1+ , 26.2]
Advanced Spawner Solution for Modern Paper Servers!
UDTHR
TPA, RTP and home made simple.
death.fell.accident.water
Modifies the kill screen on death.fell.accident.water to say an actual death message
DonutHome
Home Plugin Like DonutSmp
More Splash Texts!
This Recourse Pack adds 250 More Splash texts to Minecraft
Cobblestar All100
A simple addon that lets you use Pokémon from Cobblestars with their original stats.
Properly Grayed Out
This Texture pack changes all the flowers that apear white but make light grey dye grey
OGDeathSwap
OGDeathSwap is a lightweight, free Minecraft plugin built for 1.21+ (requires Java 17) that allows players to run custom DeathSwap matches.
Unexplored Map Highlighter
A resourcepack that highlights areas of a map that haven't been explored yet.
EssenceSMP
A dynamic Minecraft core plugin featuring rare bloodline paths, custom resource harvesting, and ultimate tier-unlockable active abilities.
WTB Plugin
WTB is a modern player-driven buy-order marketplace plugin for Minecraft that lets players create buy requests, manage listings, claim fulfilled items, and run a clean server economy.
The penicillin
You can now revive your friends in HARDCORE servers... or could you?