Minecraft Java 1.21 Mods
Browse 519 free mods for Minecraft Java 1.21 — popular picks include Quizy Combat Log, GeyserFloatingPoints, Health-Sync.
Updated daily
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.
Offlinetp
Teleport to player's last logout location instantly.
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Nearby Inventory Crafting
Craft using items from nearby chest's without moving them
AntiRedstoneLag
prevents lag machine in server

PerWorlds
A plugin that allows you to store player data per world

SomeNoHurtCam
A Minecraft mod that disables screen shaking when taking damage.
PooperMC
The all-in-one solution for any server. Message Logging, Mention, Chat Color, Description / MotD, Muting, Reporting, Staff-Chat, Friends, Parties, Vein-Mining, Whitelist, Better-AI, AFK, Menu Commands, Global Ender Chest, Death-Banning, Anvil-Cap and more!

Project AZOTH Cobblemon Modpack
Project AZOTH is back and better than ever. Explore a fresh take on the Pokémon experience in Minecraft with seamless open-world mechanics, community-driven events, and an immersive survival adventure.
Vulkanized Pojav
🚀 Experience Minecraft through Vulkan on Android. Vulkanized Pojav delivers a lightweight, performance-focused setup with optimized libraries, improved rendering efficiency, and maximum compatibility for PojavLauncher users.
Villager Job Tools
Client-only. Reroll any villager's trades (break/place their job site block) until wanted offers appear. Trades Finder, Auto Buy, Auto Sell. Keybinds: K = menu, R = start/stop.
Connection Guard
Connection Guard is the best free Anti VPN and Geo Blocker.
Smart Sorter
Lightweight Auto-Sorter and Storage Network for 500+ chests. Features automated smelting, XP collection, and smart routing for Fabric 1.21.1+.
Redstone Additions
Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )
SkHttp
skript addon for http
No Global Sounds
Stop global sounds like the wither's spawning, ender dragon death, end portal activation.
OutlineX
OutlineX is a lightweight Minecraft mod that highlights blocks with smooth, customizable outlines.

Arte
A mod/plugin that optimizes big server resource packs!
XGamemode
You're not switching modes, you're switching dimensions.
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.
Prism Performance
Adaptive performance optimization mod for Minecraft 1.21 designed to enhance FPS and reduce frame drops.
B-RTP
BlanketRTP is a Minecraft Fabric mod that offers customizable rtp (random teleportation), including biome-specific options. Enhance exploration with a gliding mechanic after the (RTP). Easy to configure and optimized for performance
Cree's Dynamic Doors
Double doors will now open and close together or synchronize if one is open and the other is closed!

Hopplet (Hopper Filters)
Expressive hopper filtering, written as plain text. The most powerful plugin in this domain. Filter by any item property. Extendable via a strong developer API.

More Search Bars
Add more search bars to various UI screens
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
SurShield Modification
Modpack that combines the mechanical genius of Create, the iconic Satsu Iron Man Addon, and the gritty superpowered chaos of The Boys: New World — delivering advanced automation, and an immersive world of limitless possibilities.
AntiSeedCracker
Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.
Replant+
A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.
Command alias maker
Allows you to create command aliases in game through a simple command and lets you run them instantly.
ChallengeTimer
an advanced timer/stopwatch for challenges etc
Customizable Dragon AI
Useful Datapack to customize the Ender Dragon's AI
server optimiser
a server optimiser plugin that offloads your server reducing ram when not in use
OpenJavascript
Create custom menus, commands, plugins, systems, basically anything with scripts in Javascript! With multithreading and Folia support! Everything is fully documented in the documentation!