Minecraft Java 1.21 Mods
Browse 526 free mods for Minecraft Java 1.21 — popular picks include Combatlog-Ultimate, NoMonsInMyWorld, Heart&Beyond.
Updated daily
Combatlog-Ultimate
A simple CombatLog plugin for MC 1.21+, blocking commands/items in combat, with a configurable timer, logout punishment, No-PvP zones, and language support (DE/EN).
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.
Heart&Beyond
Fresh beautifull world with Create mechanism
Version Manager
Version Manager is a powerful Minecraft version disabler plugin that lets you control which versions can join your server. Use whitelist or blacklist to block or allow specific versions easily.
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.
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)
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.
PassengerAPI
Fix passenger compatibility issues | Manage your own entity passengers
InstaLeafDecay
Instantly decays leaves near broken logs to speed up tree harvesting.
BetterWarpSystem
Simple & Powerful Warps
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.
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.
No Crystals
Disables the use of end crystals in the overworld and nether to stop crystal pvp while still allowing the ender dragon fight
TridentboxRooms
Automated 1v1 PvP arena system with dynamic glass cages and portals. High-performance BoxPvP and KitPvP solution for Paper/Spigot servers.
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
Anchoring optimizing
Professional Anchor Optimizer mod for Minecraft 1.21.1 Fabric. Handles anchor interactions client-side for zero-ping feel, optimizes respawn anchor explosions, and provides smooth combat experience on high-latency .
NAuth
Authenticates usernames with in-game registration and login revolving around dialogs with almost no commands.
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.
Anti Dupe Detecor
This plugin detects dupes on your server to keep it 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
Let Me Sit
Datapack that lets you sit using double shift
SpyCore
Organize your worlds like never before. Create, clone, and manage worlds on the fly without ever restarting your server.
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.
Android Aeronautics
A simple modpack based around Create Aeronautics, lightweight, optimized, and compatible with Android emulators.
MobSpawner
Easily create simple dungeons or mob arenas with an optimized plugin!
RevertRaidChanges-Extra-BadOmen
allows you to obtain BadOmen after killing raid captain, just like before version 1.21.
UltraSingleBiome
A custom world generator for Minecraft servers, optimized for Crystal PvP with an automatic Desert biome world.
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.
VirtualSpawnerPro
The Ultimate High-Performance Spawner Solution for 1.21+
Simple Ping
The Simple Ping plugin allows players to check there current ping to the server!
Easy Creative Enchanting
This mod adds a creative only enchantment panel to the right side of the anvil menu. Makes it easier to enchant without having to search up each individual enchantment book.
ItemQuickStack
QuickStack — transfers items to nearby chests.
Easy Bee
A completly new way to trasport bees with extra tweaks
![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.