Minecraft Java 1.21 Mods
Browse 129,730 free mods for Minecraft Java 1.21 — popular picks include Chocopoes SMP 2, Multimedia, Ojha's Pile.
Step by step: How to install Minecraft Java mods & modpacks
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Chocopoes SMP 2
This modpack is made for the Chocopoes SMP 2. This is a lightweight modpack that keeps the essence of vanilla minecraft but adds a lot of needed features.
Multimedia
A plugin framework to remove A LOT of boilerplate and make it over 4x easier for plugin creators to develop their plugin!
Ojha's Pile
This mod adds many random items to enhance your playthrough.
Chameleon Mod V2
Similar to the original Chameleon Mod but is made for a different version and has many more features: including tools and entities.
Jawn's Vanilla+
Truly vanilla+ with a focus on Create
Swapped Diamonds
lapis and glow lichen are diamonds and diamonds are stone and deepslate

Bigender Pride Flag Tooltip (7-Color Turned)
Changes the Minecraft Tooltip to a Bigender Pride Flag (7-Color Turned) – Part of the Pride Tooltips collection.
Just Copper Totem
Just a copper totem of undying!🙃
Ender Eye Overhaul
Overhauls the Eye of Ender recipe with modded Ender Pearl support and a challenging new set of Vanilla ingredients
NoBreachOnMace
Blocks Breach enchantment from being applied to maces while allowing Breach books to exist.
OldPigs
A resource pack that brings back the old pigs and gets rid of the new breeds! basically a resource pack for anyone who doesn't like/want the new pigs but still want to play on the newest version!

Lilac Tooltip (Frame-only Alt-BG Monochrome)
Changes the Minecraft Tooltip to be Lilac (Frame-only Alt-BG Monochrome) – Part of the Pride Tooltips collection.

Teal Tooltip (Split Monochrome Background/Frame)
Changes the Minecraft Tooltip to be Teal (Split Monochrome Background/Frame) – Part of the Pride Tooltips collection.
Creo
Creo is a cozy, creativity-focused modpack for relaxed building and exploration. With carefully selected mods, it lets you shape the world at your own pace.
Custom PvP Items + Boss
Adds ten customizable PvP related item abilities and one customizable boss with multiple attacks.

BCBlock
BCBlock is a simple yet configurable spigot/paper plugin for chat filtering (blocking).

The Worlds Of Light And Dark
Explore a world where light and dark have lost balance.
Everyone baby
A datapack that makes all mobs become a baby, even those that can't in the basegame. Use this datapack if you want the cutest experience :D.
Talon's Building Particles
Create and Control Particles in Survival Minecraft!
EditVillagers Plugin
The easiest way to create a Trader in Minecraft!
Olive
Recreation of Olive from the Interloper ARG.
Hextech Armory
This first alpha version of the Hextech Mod adds the Atlas Gauntlets and Mercury Hammer with working mechanics like blocking, dashing, projectile negation, and heavy damage. The gauntlets also have 3x3 mining in offhand. Players can now start crafting Hext
Copper-ish Swords!
A sweet and simple sword overlay for Minecraft 1.21.5 that retextures the diamond to a copper style material! Modifies all sword material types.
Mystical Wood
Adds Another Wood with Extreme Enchantability
Useful Bamboo
Make bamboo more useful!
KoukeNeko Nametag Plugin
KoukeNeko Nametag is a powerful and user-friendly Minecraft tag/prefix management plugin that allows players to select and display custom tags in front of their names with an intuitive GUI menu.
AFKZonePRO [1.21.x - 26.x]
A plugin which allows people to get rewards by afking
Bare Bones X Reinforced Chests
Add barebones support for the reinforced chests mod
SmashDamage
A small concept plugin that takes Smash Bros.'s fatigue mechanic and tries to implement it in Minecraft (with knockback).
The Honeyvale Pack
The official performance & enhancement modpack of the Honeyvale Minecraft server! (honeyvalemc.com)
Rob&Peace
Robbing mob items instead of attacking
Goose's Useless Stuff
Adds some useless stuff like trash.
Incredibly Immersive
Vanilla style exploration modpack made to be as immersive as possible, with multiplayer in mind.
Killer Bunny Returns
The killer bunny spawns naturally and has a high rabbit's foot drop chance
CraveCraft
A simplistic survival modpack focused on adding to the player experience, not slowing it down.
Armourscape
Implementing Forgotten Armors with Old School ArmourScape!