Minecraft Java 1.21 Mods
Browse 519 free mods for Minecraft Java 1.21 — popular picks include NoMonsInMyWorld, Dekays Smeltable Items, WorldSystem.
Updated daily
NoMonsInMyWorld
a lightweight, server-side Minecraft Fabric mod for Cobblemon that gives you per-world control over Pokémon spawning. Block specific species, filter by type/shiny status, or completely disable spawns in hub worlds, minigame maps, or curated dimensions.
Dekays Smeltable Items
Lets you smelt items you always wanted to in (blast) furnaces
WorldSystem
Give players the ability to create their own world to play on, without using different servers. (per player worlds)
InstaLeafDecay
Instantly decays leaves near broken logs to speed up tree harvesting.
BetterWarpSystem
Simple & Powerful Warps
No Crystals
Disables the use of end crystals in the overworld and nether to stop crystal pvp while still allowing the ender dragon fight
Shimmer - Uncrafting Table
Shimmer is a data pack inspired by the Shimmer liquid in Terraria. It enables players to uncraft items whether in vanilla or modded gameplay, only by dropping them into a source water block near the bottom of the Overworld.
PassengerAPI
Fix passenger compatibility issues | Manage your own entity passengers
TridentboxRooms
Automated 1v1 PvP arena system with dynamic glass cages and portals. High-performance BoxPvP and KitPvP solution for Paper/Spigot servers.
TomExpensive
TomExpensive is a lightweight, high-performance solution for Minecraft 1.21.1+ that removes the restrictive "Too Expensive!" limit in Anvils. It ensures your players can always repair and enchant their gear while providing modern utility features.
FastCrystals
Completely async plugin for faster, smoother crystal spamming, even with high ping!
NAuth
Authenticates usernames with in-game registration and login revolving around dialogs with almost no commands.
Strength 4
This mod give you strength 4 portion in your game/minecraft world this very use full to figth with you friend more damage more win
EntityBatch
Entity Render Batching — sorts entities by type before drawing them so the GPU can render all cows together, all pigs together, etc. instead of switching between types randomly. Fewer GPU state switches = better performance in crowded scenes.
AdminEssentials
AdminEssentials is a comprehensive administration plugin that combines powerful moderation tools with fun troll commands. It provides everything you need to manage your Minecraft server effectively while keeping things entertaining.
Auto Logout
A mod that automatically kicks yourself from server once a player gets in range of blocks that u set, allows u to afk farm and play safe.
AdvancedBoiler
A client side mod to provide better performance with displays from the Boiler Plugin.
Yolo Auth
A Auth/Login Plugin For Server Easy To Access Light Weight
Anti Dupe Detecor
This plugin detects dupes on your server to keep it safe.
Let Me Sit
Datapack that lets you sit using double shift
Create is all
A Create-focused Minecraft 1.21.1 NeoForge modpack about automation, mechanical factories, trains, airships, vehicles, power systems, quests and performance-friendly gameplay.
MobSpawner
Easily create simple dungeons or mob arenas with an optimized plugin!
Render Distance+
Automates the Chunky chunk loading workflow for Voxy to seamlessly boost your render distance.
UltraSingleBiome
A custom world generator for Minecraft servers, optimized for Crystal PvP with an automatic Desert biome world.
RevertRaidChanges-Extra-BadOmen
allows you to obtain BadOmen after killing raid captain, just like before version 1.21.
YoTPA
YoTPA is a lightweight and powerful teleport request plugin with adaptive performance optimization. Simple to use, easy to configure, and built for modern Minecraft servers.
Simple Ping
The Simple Ping plugin allows players to check there current ping to the server!
SpyCore
Organize your worlds, like never before. SpyCore is the modern world manager designed for server owners who are tired of server restart everytime when adds a world. SpyCore gives you full control without needing of restart.
Easy Bee
A completly new way to trasport bees with extra tweaks
ItemQuickStack
QuickStack — transfers items to nearby chests.
VirtualSpawnerPro
The Ultimate High-Performance Spawner Solution for 1.21+
![UltraSpawners [LITE]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/151436.webp)
UltraSpawners [LITE]
UltraSpawners is a lightweight spawner management plugin featuring basic stacking, simple trust permissions, and economy based mob unlocking, designed for survival and economy servers.
Advanced API
AdvancedAPI provides very simple code, for example, ItemBuilder or SimpleInventory, which can be used to create things faster. ONLY FOR PLUGIN DEVELOPERS
Max Players
Increases the maximum number of players by 1 when a player joins, then decreases the maximum number of players by 1 when a player leaves.
AwesomeNeeded
The ultimate all-in-one Essentials replacement with full in-game UIs, economy, shops, claims, kits, crates, rewards, RTP, TPA, scoreboards, messages, moderation tools, and so much more — all in one plugin.
Artificer’s Skies
Artificer’s Skies – master mystical arts and mechanical marvels as you shape the worlds into your own creation.