Mods for Minecraft Java
Browse 1,259 free mods for Minecraft Java — popular picks include Pipez Optimizer, Nicks+++, LightOptimizer.
Step by step: How to install Minecraft Java mods & modpacks
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Pipez Optimizer
An unofficial Pipez add-on that significantly reduces server lag, optimizes transfer logic, and adds custom extraction frequencies and high-tier upgrades.
Nicks+++
adds a simple nickname command /nick (name)
LightOptimizer
Optimize your Minecraft server for peak performance with LightOptimizer.
BTW - Ore Breaking
An ore mining overhaul to increase mining experience
Shulkers In Shulkers *updated version*
The updated version of Shulkers In Shulkers for the later versions of minecraft. Supports 1.20.1-1.21.6
aspect ratio (width screen)
mod allows u to change the game's width
Create: Mechanical Extruder - Optimisation
An optimisation mod for Create Mechanical Extruder.
Reign
This mod adds a profession system, market trading, vassalage with a kingdom distribution system, as well as gradual vanilla minecraft upgrade. You can be a king, lord, knight or freeman!
SortME
yet another inventory sorter mod
Valx' EssentialF3
Essential F3 is a Minecraft mod that replaces the cluttered F3 screen with a cleaner, easier-to-read version.
Create: Multiplanar Crafters
Create: Multiplanar Crafters is a lightweight, high-performance addon for the Create mod that completely revolutionizes the Mechanical Crafter. It finally unlocks the ability to orient your crafting grids horizontally (along the X/Z axis), facing the sky !
DayNap
Adds bed based time skipping: sleep through the day to reach night, optionally skip night to day. Configurable modes and player percentage threshold.
AntiCrash [Pterodactyl]
Prevent your server from crashing with timely restarts.

More Search Bars
Add more search bars to various UI screens
Spunky LagFix
Best plugin for improving Minecraft Server performance, by minimizing entity lag, cleaning up the world, and more!
Better Left Click
Allows you to use left click bind like normal but not lose out on the competitive and survival advantage of using a keyboard key.
AntiRedstoneLag
prevents lag machine in server
Zombies improved!
Smarter, deadlier zombies — now with hordes and infection!
Simple Animal pens
A simple datapack that allows to store many animals in one block to reduce lag on the server. also available as datapack

Tweaks
An Essentials-like, must have command collection for your minecraft server
Direnis Flashlight
A high-performance, dynamic flashlight mod that provides realistic lighting and dual-light source functionality without lag.
AntiSeedCracker
Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.
LootMate
Never miss the best loot again. Intelligent item beams, inventory highlighting, and advanced weapon/armor stat comparisons with support for custom items and a highly customizable config.
EssentialsX GUI
EGUI is a powerful, highly customizable GUI for EssentialsX Homes and Warps.
ClearLagPlus
Lightweight Forge ClearLag mod with full control and multilingual support.
AlwaysAuth
Keep your server always online even if Mojang is offline!
AntiDeath-Survival-Assistant
Client-side survival assistant for Minecraft 1.21.x–26.x. Provides various quality-of-life tools for survival gameplay. Requires MaLiLib.
Modern Metro
This mod adds variable speed powered rails, directional powered rails, and more!
TaskManager
Configurable Task Manager to check more than just Startup Times, CPU/GPU time and Memory per mod
Quizy Combat Log
QuizyCombatLog: A powerful yet lightweight combat logging solution that prevents unfair PvP disconnects. Features multi-combat tracking, customizable timers, inventory protection, and sleek action bar displays to enhance your server's PvP experience.
GeyserFloatingPoints
Fix floating-point precision on Bedrock when at high coordinate (distance effect).
Health-Sync
Health-Sync -- Link hearts, hunger, and effects with your entire squad! Damage is shared instantly—if one takes damage, everyone feels it. The ultimate Health Share plugin for cooperative survival and hardcore challenges.

Viper AntiXray
ViperAntiXray is an ultra-high-performance, 100% server-side Fabric utility engineered to secure server economies by completely blinding client-side X-Ray radars.
Create: Water Mesh
Adds a water mesh that automatically refills at a rate of 1 bucket per second. It can be placed in front of encased fans for bulk washing and also works in the nether.
Graphing Calculator 3D
High-quality, high-performance 3D graphs in more coordinate systems than you can name (probably).
Clipboard Connect
Connect WorldEdit Clipboards across servers with redis