Minecraft Java 1.21 Mods
Browse 504 free mods for Minecraft Java 1.21 — popular picks include LiveJava, Cavernous Unearthed, BulsciCraft.
Updated daily
LiveJava
a VS Code-powered Web IDE that lets you build multi-class, hot-swappable native Java plugins instantly with zero reloads and automatic dependency injection.
Cavernous Unearthed
This mod adds vanilla style cave biomes and features.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
mob balls
This mod adds balls that can catch mobs with different tiers. More tier = More better (I know how grammar works! It just rhymes better)
Pedro II's End Update
This Minecraft mod adds the End Update to the game with 3 new biomes, 3 new structures, 1 mob, and 2 powerful weapon.
Muddles
An early version of a mod consisting of my mcreator experiments
Creepy Colorful
Creepers are now a colorful bunch thanks to Creepy Colorful!
Visual Identification
Lightweight and configurable server side block and entity information UI based on player's line of sight. Displays configurable information such as block name, block ID, mob health...
Better Hardcore Datapack
Completely overhauls Hardcore mode to be true danger.
Being Alone (BE)
This mod makes you feel alone... because you are...
Euphoria Ghasts
Adds the Euphoria enchantment to harnesses, speeding up happy ghasts
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
Pointless Emeralds Stuff
Pointless Emerald Stuff that nobody asked for
Ravenborne
Class based medieval fantasy rpg mod based by Ravenborne theme!
Artmoby's Hauling Crates
A Minecraft mod for the ReUnitedSMP aiming to add crates. An out the ordinary way to implement economy, inspired by Scrap Mechanic.
Mod but my Friends decided what's in it
lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!
Expedition X
Expedition X is a minecraft mod for neoforge 1.21.8 that overhauls the vanilla progression system with new resources, challenges, and adventures!
Enderman Spawns
This is a very customisable plugin where you can easily change the number/percent of enderman that spawn
Survival+
Survival+ is a datapack that adds difficulty and suprise to Minecraft again. By adding tougher enemies and cool unique items. Along with a bunch of new mechanics and reworks of some old ones, causing you to relearn Minecraft in a whole new way!
WildlifeRarities
WildlifeRarities is an RPG-focused plugin designed to make hunting and exploration more engaging and rewarding on your server. It is perfect for servers with collectors, progression systems, or economy-based gameplay.
P_Ilha
P_Ilhas is a native island system for Paper 1.21.3 servers, designed to provide VOID worlds, private dimensions, native protection, progression, economy, pets, rankings, and production administration in one plugin.
Minestuck: Cascade
A Minestuck addon that adds new dimensions, the ability to time travel and the ability to play as trolls.
Stellarity_x_True_Ending_patch
Compatibility layer for seamless integration between Stellarity and True Ending datapacks.
Adaptive Difficulty PAPER
AdaptiveDifficulty — A dynamic Minecraft difficulty plugin that automatically adjusts the world based on each player's progression. This plugin is mostly Adaptive Difficulty mod but for paper/bukkit servers, i wanted for all players to experience 0 mods
Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives
Grim and Bleak Mod is an ambience-focused mod that blends exploration, survival mechanics, and dark atmosphere. It introduces a shadowy dimension called Limbo, filled with hostile creatures, rare resources, and high-risk progression. Actions taken inside Limbo can also affect the Overworld. Features: New dark dimension called Limbo with unique biomes and enemies Atmosphere-focused semi-horror gameplay […]
CoffeeG's Double Jump Data Pack (1.21.11, 1.20.1) – Wall Jump, Leap Mechanic
CoffeeG's Double Jump Data Pack introduces a suite of new movement mechanics to Minecraft, including double jump, wall jump, leap, and wall bounce. These features provide greater mobility and agility, making exploration and combat more dynamic and exciting. Enjoy playing this data pack! Features: Warning : Double jump is auto-disabled when you are using creative […]
Luminous Nether Mod (1.21.1, 1.20.4) – A Nether Alive with Danger
Luminous Nether Mod expands the Nether with two new biomes, lots of new mobs, and a variety of building blocks and decorations. This mod adds new gameplay mechanics, loot to find, and dangerous areas to explore. It makes the Nether a more lively and challenging place. Features: Adds two new biomes to the Nether: the […]
Galosphere Mod (1.21.1, 1.20.1) – The Diverse World of The Underground
Galosphere Mod is a mod designed to enhance and expand diversity in Minecraft's underground world. This mod focuses on generating new biomes, creatures, mechanics, blocks, items, effects, achievements, and more. The new underground terrain generation introduced by this mod adds crystals and new mineral resources to the game. These new minerals and materials will allow […]
Shulker Charm Mod (1.21.3, 1.20.1) – Flight In Reach: , Discover The Skies
Shulker Charm Mod introduces an innovative gameplay mechanic to Minecraft, offering players a unique form of flight in survival mode. Crafted with shulker shells, feathers, and an elytra, the charm provides users with creative-style flight capabilities, enhancing exploration and mobility in the game. One of the most notable features of the mod is its integration […]
PillarOfFortune
A competitive survival game where players fight on tall bedrock pillars
Simply Better : a simple experience(kinda)
this modpack simply makes minecraft better by adding new structures, new mechanics, new equipment and new mobs without making it too complex.(simply better, duh)
![KingCraft [FORGE]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/417086.webp)
KingCraft [FORGE]
Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.
The Fallen World
This mod adds things like dimensions, blocks, items, mechanics, bosses, mobs, structures and much more!
Robot - MechaFront
This Mod Adds A Good Varity Of Robots Which Helps You In Combat. And Also A Very Good RPG System
What If...
Enhanced Vanilla experience with QoL improvements, new biomes, mobs and dungeons. Quests will help you get through this modpack and some of the new mechanics.
Eternal Nether Mod (26.2, 1.21.1) – The Underworld Reimagined
Eternal Nether Mod transforms the Nether into a hostile, dimension filled with new structures, mobs, and mechanics. It’s a spiritual successor to Bygone Nether, expanding the fiery depths into a full-fledged adventure zone. Features: New Structures: Piglin Manor – A fortress in the Crimson Forest guarded by Piglin Hunters The Citadel – A towering stronghold […]