Minecraft Java 1.21 Mods
Browse 480 free mods for Minecraft Java 1.21 — popular picks include Energy Abilities SMP, Everything Slime, Artery.
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Energy Abilities SMP
A Minecraft plugin with cool high quality unlockable abilities. Made for SMPs or just any server.
Everything Slime
This mod makes every block in Minecraft bouncy, like slime.

Artery
a mod of "organic" shenanigans for the hit game Minecraft
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
Worthify
Fast, modern item worth & pricing system for Minecraft servers
SpotifyLink
Create a connection between Spotify and Minecraft in the most innovative way!
OK Health Indicators
Highly customizable Health Bars & Damage Numbers! Over 100 settings in total!
Chrono Domain
A Mod that allows you to bend the flow of time in Minecraft. Slow down or speed up entity to make it chaotic. Optimize farms and machines across chunks with the Time Station. Speed up chosen entity or even slow them down to satisfy your chaotic desires.
BDEngineImport
A Packet-based Import Library for the BDEngine editor
G-Lottery
A plugin desinged to add a lottery to your server. A perfect addition to your economy !
Google Gemini AI God
a free-tier google gemini based version of the ChatGPT minecraft roleplay bot with some additional upgrades.
Ethereal Blasters
A mod that combines the power of Magic into modernized forms of Combat!
Dustlab
An elegantly simple particle plugin for displaying anything from 3D models, animated media and stunning effects!
Arcane Hand
Adds a unique multi-tool with a unique enchantment system.
LightItemremove
Effortlessly clean up dropped items with a sleek hologram countdown
EmakiAttribute | RPG Attributes and Damage
Takes over vanilla combat maths with configurable attributes, staged damage types and traceable results.
RewardsX
Turn Engagement into Rewards
Amaranthine
Harnessing the power of the sun since 2025
Espoir SMP
The plugin's twist is ⚙️ How the system works: 🧿 You start with 3 souls. 🔻 Each time you die, you lose a soul. 💀 At 0 souls, you become a ghost: spectator mode for 24 hours. ⚔️ Kill a player → you steal one of their souls, if you don't already have all
Soulbound SMP
Soulbound Hardcore SMP with Souls & Hearts
Enchant Lab
A mod with an enchanter GUI that lets you enchant your items beyond normal limits on the client side.
Builderwand
A Minecraft/Paper plugin that adds upgradeable Builder Wands for placing, mining, and pathing blocks faster. It includes durability, repairs, crafting, and a simple GUI.
LagX
LagX is a comprehensive server optimization plugin designed for modern Minecraft servers running Paper and Folia. It provides advanced lag prevention, entity management, performance monitoring, and server optimization tools
HanKkk's Enhanced Experience - HEE
HanKkk's Enhanced Experience: A finely curated modpack that boosts performance, enhances visuals, and enriches your Minecraft adventure with new structures, improved mechanics, and seamless quality-of-life mods. A complete upgrade of your Minecraft World!
FurnacesPlus
Advanced furnace speed enhancement plugin for Minecraft servers
More Anvil Recipes
Adds crafting recipes for chipped and damaged anvils, and lets you repair anvils using iron ingots!
Elysian Horizon
A beautiful modpack with a lots of custom mobs, bosses, tools and mechanicts
LuckSMPPlus
Lightweight Minecraft plugin adding luck‑based items, events, and mechanics to spice up your SMP gameplay.
TeleportationWand
Ability to teleport with an item!
Mechanical Cobblemons
This modpack aims to integrate Cobblemons and create, adding new recipes and ways of crafting more complex Cobblemon recipes using Create ways
Made In Heaven
Accelerate time, just like from JoJo's!
Sponge Ball
Throwing snow Ball absorbs water in 10x10 area
Campfire Regen C
❤️🔥 Campfires now regenerates your health when you are near ❤️🔥
InfiniteLavaSourceX
A plugin that makes lavasources infinite like water.
mc mod #5830536
A small datapack meant for small casual worlds with some custom items, some changed/new game mechanics, and more. Hell.
Nether Improvements
Configurable, survival friendly tweaks to make the Nether more interesting on Vanilla servers!