Minecraft Java 1.21 Mods
Browse 80 free mods for Minecraft Java 1.21 — popular picks include LagFixer, Curtain, DespawnTweaker Refoxed.
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LagFixer
⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!
Curtain
A Forge mod like fabric-carpet
DespawnTweaker Refoxed
Better Let Me Despawn optimization | Don't allow mobs from spawners to despawn
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
MC-Reality Mod
this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.
OptiElitePlusz
Highly optimized for both ARM Mobile devices and Low-End PCs
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
Customizable Dragon AI
Useful Datapack to customize the Ender Dragon's AI
A* Pathfinding
Minecraft Pathfinder for Entities
More Villages Datapack
Adds more villages to the game.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Lag Detective
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
Lifesteal Core X
Lifesteal Core X delivers a complete competitive lifesteal experience with heart stealing, revive systems, combat control, anti-farm protection, and scalable MySQL storage for high-performance SMP servers.
PacketEventsSK
A skript addon adding packet related features to Skript.
ChristCraft
Removes magic and spiritism where possible.
T0PK4_lib
This is a next-generation bugfix mod required for ModderEFGS's and T0PK4's mods to work.
Easy Bee
A completly new way to trasport bees with extra tweaks
Advanced API
AdvancedAPI provides very simple code, for example, ItemBuilder or SimpleInventory, which can be used to create things faster. ONLY FOR PLUGIN DEVELOPERS
OptiFoundry
Optimize chunks, entities, and ticks
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
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
Better Copper Golems
Unleash the true power of copper golems!
PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
OGDuels
OGDuels is a lightweight, high-performance Duels, FFA, killstreak, bounty, and leaderboard module designed for competitive Minecraft PvP servers.
PNode
Paper plugin with intuitive visual node-based editor for server logic. No coding required.
Custom Boss Zoryth AI
Zoryth AI Boss is a premium, high-performance custom boss framework for Paper (1.21.x).
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
Light Level 2025 Mod (1.21.8, 1.21.5) – See Light Levels Above Every Block
Light Level 2025 Mod displays the block light level directly above solid blocks-allowing players to instantly assess mob-spawning risks visually. Inspired by Parzivail’s legacy LightLevel mod, it introduces improved performance, modern color rules, and convenient configuration. Features: Press F9 to see the block light levels Screenshots: Requires: Fabric API Light Level 2025 Mod Download Links […]
Modpack of Redstone
That's a useful thing;It includes essential helpers like Carpet and Tweakeroo, along with various optimization mods and resource packs.
Mob Controller Creeper Spawning
This Mod adds control functions for Creeper Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Skeleton Spawning
This Mod adds control functions for Skeleton Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2