Minecraft Java 1.21 Mods
Browse 388 free mods for Minecraft Java 1.21 — popular picks include THE HORRORS BUT BETTER, Project: Nuclei, BBAds.
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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!!!!!

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.
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!
Create: Nuclear Age
A fork of Create: New Age without all the electrical stuff. Only nuclear and thermal stuff!
Smart City Lights
A brilliant mod for builders — lamps that turn themselves on and off, imitating the daily rhythm of a lived-in apartment.
POWERED
Revamps automation. Adds a ton of configurable & polished redstone components, allowing you to do more than ever before.
PlayerMapX
You can see your own server maps and players and their inventory, Rebranded from SNKAWatchMap
Smooth Spheres
Adds smooth decorative sphere blocks with lightweight physics, glass, metal, ceramic, crystal, and glowing variants.
Nonsense
A new dimension with unique and creative biomes ...
AgonyMinus
Adds various gimmicks and items and critters and whatnot
NormalBoomerang
This DataPack adds 7 boomerangs (modifiable and configurable ) to the basic Minecraft materials. Multiple translations are available, and you can add your own boomerangs.
MOTD Studio
Add better customizable MOTD for better looking & nicer SMP
Blitz Mod
Blitz is an alpha-stage industrial progression mod built around packet-sized electricity.
EG Tools Expanded
Adds additional tools to Minecraft Java Edition - Paxel, Construction Hammer, Paints + Paintbrush
Cool blocks
adds some cool custom blocks to minecraft
Area Selector V1
A client-side utility mod for visualizing large-scale farm and mining areas by generating customizable 3D highlight boxes between two diagonal coordinates.
RED Smart Speaker
This mod adds configurable smart speaker into minecraft.
The Exstras
A mod to add more items, recipes, blocks and more!
Over the Top
Aims to bring World War One era Trench Warfare to Minecraft
3D Model Datapack Template
This is an template used to add 3D models to your game via heledron's text display model generator (by SyanicXD)
Meteors Refabricated
Datapack inspired by the 'Falling Meteors' mod!
VoxlyTagger
VoxlyTagger displays player tiers from the VoxlyTiers leaderboard directly in-game. See a player’s tier floating above their head in real time, making it easy to recognize skill levels at a glance.
Escrow Autobuilder
IOUEscrow is a vanilla/survival friendly schematic and autobuilder mod that allows you to pair creative world planning with honest survival gameplay.
Live Musical Instruments
A plugin that lets you play electronic instruments live and broadcast the performance to players in real time.
Craftmark
Utility to create data-driven texture variants for items & block entities with no programming or difficult config required.
How Wonderful
Introduces a fermentation system with a barrel to brew beers capable of storing combined potion effects. Additionally, it adds functional plates to display and consume food stacks directly in the environment through the use of a fork.
ViOres
A complete overhaul of metallurgy! Vanilla furnaces are disabled. Smelt and forge unique alloys (bronze, steel, titanium) using campfires and cauldrons, complete with immersive sounds, particles, and custom mechanics.
WorldPlaceholder
Outputs information about the player's location in the dimension using Placeholder.
SoundRecording
Record the sound around you and play it :D
Hatbag
Adds backpack for hats from mod simplehats with quick swap feature
killeffectz
This Plugin Add Effects To Player Kills A Certain Type Of Animation Will Play On Every Kill Has GUI..There Are 7 Kill Effects..
Vanilla Heads
Adds a convenient and completely vanilla mechanic for obtaining player heads for decoration and construction in Minecraft
Limbus-E.G.O
Limbus E.G.O Fabric is a mod for Limbus Company that adds new and reworked E.G.O equipment, offering fresh combat styles and more build variety. It’s designed to give players a simple but meaningful expansion to their gameplay experience.
Scraft Staff
ScraftStaff is a Paper server staff toolkit with moderation commands, reports, logs, accounts, inventory tools, ranks, shop, buyer and casino systems.
Zelda BOTW Boomerang Datapack
7 Boomerangs of The Legend Of Zelda BOTW Datapack Translate coming ! Configurable/Custom/Equipable