Mods for Minecraft Java
Browse 7,324 free mods for Minecraft Java — popular picks include Entity Item Cleaner, Smart Leaf Decay, Yogi Essentials.
Step by step: How to install Minecraft Java mods & modpacks
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Entity Item Cleaner
A lightweight, configurable and server-friendly entity cleanup plugin for Spigot / Paper 1.21+
Smart Leaf Decay
Enhances game performance by clearing leaf blocks after trees are chopped down.
Yogi Essentials
A client-side Fabric mod with customizable HUDs, PvP features, useful SMP tools, performance optimizations, and quality-of-life improvements.
Counter
Anti-cheat for Spigot/Paper 1.20+ - Java and Bedrock (Geyser)
Item Limits
Easily Create limits of those items you don't want at all or just a few of!
ZPython
ZPython is a powerful plugin for Minecraft servers that allows you to run and manage Python scripts directly on the server.
EnhancedParticles
This project adds a simple keybind to toggle particles on and off instantly. Configure the bind in Minecraft Controls and switch particles anytime while playing.
PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
Resource Data Pack Loader
RDPL - Restoring JOY back to Modpack building! The API that should have been.

TxZoom
(lifestealsmp.com) Very lightweight OptiFine zoom (hold C for zoom).
AeroChat
Ultra‑light chat plugin for Paper 1.21.x with LuckPerms/PlaceholderAPI, MiniMessage gradients, and configurable join/clear chat.
ClearMap
This plugin is free and lets you clear the map in your server between 2 coordinations and in what world incase you use multiverse-core.
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
RIABandwidthSaver
🍃 EcoMode ON! RIABandwidthSaver 是一个基于 ProtocolLib 的节流插件,旨在在玩家处于 AFK 状态期间避免发送不必要的数据包和区块,以缓解服务器的带宽和流量资源消耗的问题。
Rtp Tortega
A simple RTP GUI plugin: open the menu, choose a world, and teleport to a safe random location.

Chat Optimizer
Chat Optimizer is a client-side Minecraft chat mod boosting efficiency.
TPS MONITOR
monitors tps and notify console if the server is lagging.
Tenbees Cart optimizer
Prevents minecarts from being picked up or placed into your inventory, reducing accidental pickups and inventory clutter.
LocateMore
Find the N nearest structures, biomes or POIs instead of just the closest. Exact distance order, fully async: the server keeps ticking. Also fixes vanilla /locate not returning the true nearest (MC-138887).
NoPlayerStop
A scriptable server-side mod & plugin to auto-stop your Minecraft Servers when empty!

UniverseGate
Create your own portals between long distance and dimensions and discover the Rift dimension!
Easy Boat Pickup
Easily Pickup Boat with "shift + right click"
Copper Golem Patch
Copper Golem Patch gives every golem a persistent memory of which chest holds what, lets them gossip with nearby golems to share that knowledge, and makes them put down unsortable items instead of carrying them forever, sorting that actually scales.
Daily AutoRestart
Automatically restart your server daily at a scheduled time with customizable warnings
Enchant Lab
A mod with an enchanter GUI that lets you enchant your items beyond normal limits on the client side.
DonutSMP Core
A comprehensive core plugin designed for Donut SMP, providing essential server management tools, custom mechanics, and backend optimizations. To those images that shared, its not only that but a lot more.
ChunkGuard
A lightweight, high-performance chunk limiter that prevents entity-driven lag by enforcing smart, customizable limits on mobs, decorations, and vehicles.
BeeEye
beeeye (Bi-eye) adds true stereo rendering to Minecraft by rendering separate left and right eye views — real 3D, side by side, SBS. And head tracking ofcourse!

Bundled Arrows
Use arrows from bundles with bows and crossbows. Smart inventory management with Infinity support.
Better Elytra Flying
When you are flying with an elytra or take off, you can click space to quick use a firework in your hotbar.
No Performance Only Lag
No performance only lag makes the /lag command after 5 seconds crash the game and maybe server.
Inactivity Fps Unlimiter
Removes the reduce fps on afk/minimized
No Arrows In You:Respawn
Allows you to hide things through configuration
OmniPanel gui
Massive OmniPanel upgrade featuring Paper/Purpur 26.3 support, native admin dialogs, Command Hub V5, Rules Studio, session login UI, Multiverse world controls, Velocity networking, improved security, and extensive bug/compatibility fixes.
Lumen Terrain Engine (LTE)
GPU-assisted terrain generation and predictive chunk preloading engine for Minecraft.
Lumi's Lots
Backports and reworks modern features while adding new features to 1.7.10.