Minecraft Java 1.21 Mods
Browse 519 free mods for Minecraft Java 1.21 — popular picks include BlastProt Indiciator, Quick Stacker, Mechanical Avirtion.
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BlastProt Indiciator
A mod similar to crosshairaddons by Walksy which adds a display for when you have Blast Protection leggings on.
Quick Stacker
Automatic inventory management plugin that quickly deposits items into containers and sorts storage with simple click actions.
Mechanical Avirtion
An integrated mod featuring create, aeronautics, terrain modification, and performance optimization
Crafted Stats
Minecraft Plugin that shows Server Stats in-game
VelocityShield
Protect your Velocity proxy server from VPN users with advanced detection and caching
Harmony I
A seamless and enjoyable modpack that transforms Minecraft with well-balanced development, fresh mobs, and mechanisms. Bronze progression, explore structures, complete quests, and dive into a world where every mod tastes like vanilla.
TreeCutterPro
High-performance, metadata-aware forestry for modern Minecraft servers
NoMoreBots
Advanced bot verification plugin for Velocity
Better Campfire Cooking
It makes campfires better by adding new recipies, doesn't impact performance much.
FlezerBoxes
A high-performance crates plugin featuring ultra-fast 2-turn animations, HEX-colored rarities, unique Rune mechanics, and interactive global broadcasts.
Log Block Tool
LogBlockTool logs block breaks, placements, container transactions, and player interactions on a Minecraft server. It’s lightweight, fast, and designed for Paper/Spigot with SQLite or MySQL support.
BsruEnderChest
BsruEnderchest is a high-performance Ender Chest plugin for Spigot, Paper, and Folia servers. It enhances the vanilla Ender Chest with more storage, multiple pages, cross-server synchronization via MySQL , all designed to be lag-free.
Welcome pluging
💜 Welcome Plugin by Goku A fully customizable welcome and join plugin for Minecraft Paper/Spigot 1.21.1 ✨ Features: Custom join, leave, and death messages Big title + subtitle + actionbar welcome Firework & sound effects on join /discord or /dc →
Better Multiplayer - GF
Make vanila mutiplayer feel better by adding some custom function
Combat Metrics
Combat Metrics is a client-side Fabric mod that tracks your PvP performance and turns your death screen into a detailed analytical dashboard with visual graphs.
Tungsten
A precise, lightweight HUD overlay for tracking Minecraft stability.
Warp Hopper
Boost server performance by swapping tangled hopper lines for sleek, wireless item routing. Eliminate lag‑filled storage rooms and embrace invisible, high‑efficiency logistics.
BetterSensi
This mod allows you to put decimal values as Minecraft's sensitivity through some Minecraft commands.
Folia Shop
A modern, high-performance shop plugin built for Folia, and modern Minecraft servers. FoliaShop combines a powerful GUI shop, Worthify-style selling system, Auction House, Custom Items Support, advanced item matching, in-game edito
PixelAI
PixelAI is a lightweight, high-performance AI integration that allows players to interact with state-of-the-art AI models directly in-game. Whether you need an assistant for all your server features or a witty global chatbot to entertain your community!
CBC Loot Fix
This is a simple fix for the Create Big Cannons: Advanced Technologies addon. Previously, some blocks simply disappeared when broken; this datapack fixes that bug and restores the correct drops.
EntryCode
Secure your server with customizable entry codes!
Uncrafting_dp
Now it is possible to disassemble items to recover resources
VirtualFilter
Professional Independent Virtual Filtering System
ManageAFK
with this PLUGIN you can customize the AFK in your server with style and with lots of features and optimization for no performance issues.
CREEPER ANTI LAG
Advanced anti-lag plugin featuring TNT protection, intelligent item cleanup, mob optimization, lag machine detection, and real-time TPS monitoring.
Command Block Spy
[Open Source] Monitor/Intercept Server Command Block
LightPvP
Enhance your PvP battles with LightPVP's customizable features!
QuickCraft Utilities
QuickCraft Utilities is the mod you need to optimize your Minecraft experience, with essential features like Auto Smelt, Quick Sleep, and Auto Crop, all of which are configurable.
Sr_Plugin_ServerNotify
Minecraft plugin that sends Discord webhook notifications for important server events.
CommandWorld
A plugin to seperate world chats with groups or per world, with staff chat and also command visibility and accessibility for players, with worldgroups and luckperms. Makes your server feel like a proxy
CrossTPA
CrossTPA is a high-performance, cross-platform teleportation suite that seamlessly bridges the gap between Java and Bedrock players with interactive GUIs and robust economy integration.
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!
PlayerMapX
You can see your own server maps and players and their inventory, Rebranded from SNKAWatchMap
TerraByte
TerraByte is a Minecraft 1.21.4 Paper/Bukkit plugin that adds tameable farming bots to automate harvesting, planting, and item collection. These intelligent helpers streamline crop management, making farming more efficient and hands-free for players.
Modmc
A highly optimized, zero-dependency, and incredibly accurate anti-cheat built natively on PacketEvents. Catch modern hackers instantly across versions 1.8 to 1.21.3 without punishing legitimate players.