Minecraft Java 1.21 Mods
Browse 2,085 free mods for Minecraft Java 1.21 — popular picks include Project: Nuclei, CrystalSizes, NovaItems.
Updated daily
Project: Nuclei
Adds uranium ore, lead ore and an enrichment process for making uranium rods. Also adds graphite rods (crafted with coal), a nuke, a radioactive seperator and various crafting components. In general this is a (kinda) scientific industrial progression mod.
CrystalSizes
lets you change the size off crystals and add a cham like overlay
NovaItems
A modern Minecraft plugin for creating custom items, blocks, furniture, and your own content without a complicated setup.
LastItems
A plugin for unique items with extensive customization and flexibility for versions 1.16.5 - 26.1.2
Colorful Bottles
Decorate your storage with Colorful Bottles!
CasleRush
CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.
BBAds
Want to capture your player's attention? Use bBAds to display custom messages via the BossBar. Features include configurable server ads, player-submitted content, a regex filter, and robust admin controls. Tailor messages to match your server's style.
jwSpawn
A simple and functional spawn plugin!
MoreBrick
Tons of brick for bricks and fun new features!
Easy Stairs
This mod replaces vanilla stairs crafting with cheaper one
Wand of Replication
Unleash the magic of duplication! The Wand of Replication lets you instantly copy blocks and small structures, making building faster and more efficient. An essential tool for every serious Minecraft builder.
Create: Nuclear Age
A fork of Create: New Age without all the electrical stuff. Only nuclear and thermal stuff!
Void Fire
Adds purple end style fire to minecraft.
Smart City Lights
A brilliant mod for builders — lamps that turn themselves on and off, imitating the daily rhythm of a lived-in apartment.
Hallownest's Remains
This mod adds the remnents of the ancient civilizations of Hallownest and Pharloom from Team Cherry's Hollow Knight and Hollow Knight: SIlksong.
XfeaturesDragonEgg
This project adds advanced tracking, container protection, and visual effects for the Dragon Egg. It ensures the egg is never lost, prevents players from hiding it in private chests, and makes the item completely immune to any damage.
Sniffer's Life
New exotic and wild plants can now be found by the Sniffer. Discover each one and decorate your world
Home Decor
This mod adds various decorative blocks.
Carpenter's Delight
Mixed wood, create log slabs, stack different slabs, rotate builds, and fireproof wooden blocks.
POWERED
Revamps automation. Adds a ton of configurable & polished redstone components, allowing you to do more than ever before.
RealisticWalk
Simple yet immersive roleplay based plugin for your server.
Orestack
Create regenerating blocks and structures with customizable harvesting and growth stages!
Handyman
A simple quality of life datapack that adds interactive block features like fence stripping, breaking wall connections, and trimming mossy blocks.
Pride Foods
adds Pride (month) themed foods!
DeadyPooly
Become Dead Pool, interact with Dead Pool breaking the 4th wall
PlayerMapX
You can see your own server maps and players and their inventory, Rebranded from SNKAWatchMap
Multiblocker
A Minecraft plugin adding the ability for players to create their own structures and store them inside special bundles.
UnwaxAndDropHoneycomb
Unwax copper blocks to drop honeycomb instantly!
LightTrail
Creates particles trail based on lighting item's color!
Doors On Stairs!
Doors on stairs. Doors on trapdoors! DOORS ON EVERYTHING! Doors in the freakin' AIR!
Mossy Forests
This Mod adds Mossy Forests to minecraft!
Splatoon Music Disc Pack
Nintendo Music Disc Series: VOLUME II
![Configurable Client Tweaks [CCT]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/297597.webp)
Configurable Client Tweaks [CCT]
Adds Extra client options for utility and cosmetics
LockArts
Lockart is a plugin for Minecraft that prevents cards from being duplicated. When using the /Lockart command, if a player holds a card in his hand, it becomes locked from being duplicated.
Smooth Spheres
Adds smooth decorative sphere blocks with lightweight physics, glass, metal, ceramic, crystal, and glowing variants.
SoundCreator
Create sounds from music files (.mp3, .ogg, and .wav) and play them for the players