Minecraft Java 1.21 Mods
Browse 279 free mods for Minecraft Java 1.21 — popular picks include Isolated Creative, Heartcore Mode, Aran's Discord Presence.
Updated daily
Isolated Creative
Lets players teleport to a completely isolated creative world that is separate from the main world
Heartcore Mode
A Gamemode easier than Hardcore but harder than Survival. Ten Lives, lose a heart on death. Enjoy! Icon was originally made in Icons8 but then altered by me.
Aran's Discord Presence
A lightweight, customizable Discord Rich Presence mod for Fabric. Features a built-in settings menu to toggle Server IP, biomes, dimensions, and player heads on your Discord status.
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
Gardon's Minerals Pack
New More Ores and Gems to Minecraft!
UltraEvolution
🧠 Transform Minecraft mobs into intelligent, adaptive civilizations that learn, evolve, raid, build secret bases & upgrade gear. No more dumb mobs — ever.
World Border Alert
This plugin alerts you whenever you get closer to World Border
Projection Boundary
Why use a boring invisible wall when you can turn the world border into a glitching, collapsing simulation?
Sellmenu
Plugin for creating stores for your server Easy to use plugin supports itemadder itemedit itemtag plugins Must have vault
Drop & Grow
Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival
NLYB: Looting and Exploration
Shrink and store entire dungeons, temples, and villager houses then loot them safely from your base. (Never Leave Your Base)
CyberWorldReset
Easily reset a world with a scheduler or a specific time/date and more!
Temporal Horizons (Time Travel & Time Paradoxes)
A time travel mod that lets you explore the time travel and its consequences in the same world.

Ashen World
A Fallout-inspired survival mod for NeoForge that introduces radiation, mutations, contaminated environments, chem crafting, and dangerous evolutionary changes to your Minecraft world.
Titanroot Skies
A Minecraft society modpack with a focus on mechanical engineering, exploration, and rpg elements.
Overgrow
Let the world OVERGROW itself.
Skylife
A Skyblock with the goal to make everything different (at least a bit)
Better Campfire Cooking
It makes campfires better by adding new recipies, doesn't impact performance much.
Corex
Modern, Paper-exclusive compiled scripting engine
Items, Crafts & World of the Realms of Runeterra
This project introduces all the items, blocks, abilities and other gameplay mechanics not related to the world generation provided by the Core Package of Realms of Runeterra: A Tale of Relative Dimensions
Biznesmod
This mod adds new biomes, a new villager proffesion, new mechanics (upgradable abilities, collecting iron dust to make iron ingots, etc...), new custom structures (10+), a TNT cannon which shoots tnt where you look and some new redstone components.

The Pandoras Box
Pandoras Box adds a mysterious block that periodically generates random items from every installed mod. + New dimension
Reawakened End
An end update for Minecraft finally! Created by Pjluna and ShadowB.
Bingus SMP Content
Extra content made for the Bingus SMP.
Enlivened End
brings me life to the end with new blocks, biomes, items, and mobs, all in a vanilla-style way
xDPearlCoolDown
xDPearlCooldown improves gameplay balance by limiting how often players can use Ender Pearls, making combat more strategic and fair while staying lightweight and easy to use for server owners.
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.
Netheroreoverlay
This is oreoverlay but in the nether, works exactly the same
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!

Magnetism mod
Adds magnetic mechanics to Minecraft, including item attraction, entity repulsion, and electromagnetic tools and blocks. Fun and useful for automation and exploration.
Cool blocks
adds some cool custom blocks to minecraft
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.
Builder - Ai
🧠 AI Builds Turn imagination into reality. Let AI build structures directly in your Minecraft world using Gemini or Claude.
Project Tiger
This is a light weight w.i.p mod with new buildings and blocks
Santiago
Santiago's mod, with thematic items and a complete in-game python script runner!
Better Navigation
I created this mod that player, no longer to press F3 to navigate preventing to ruining of their exploration experiences.