Minecraft Java 1.21 Mods
Browse 371 free mods for Minecraft Java 1.21 — popular picks include Generator Accelerator, Graal, UUID Hex.
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Generator Accelerator
Optimizes the Minecraft worldgen and chunk management by introducing better calculations.
Graal
High performance JavaScript runtime, tweaked for Minecraft usage
UUID Hex
High-performance library for formatting UUIDs into hexadecimal strings.
EpicGuard
Bot protection system for Minecraft servers and proxies
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.
FacilisCommon
Library for Minecraft
Alternative Pause Menu
Adapts the pause menu to contain quick Visual, Performance, and Volume Settings for quicker access!
World Loading Tweaker
Allows you to change the spawn chunk radius of Minecraft, either speeding up loading or improving spawn quality
KAllFix
Optimization and multithreading written by n1luik
FastXP+
A simple client-side optimization mod that allows you to throw XP bottles instantly and fast by just holding down the right-click.
Wilderness Odyssey API
this is a mod made for the modpack wilderness odessy. it has lots of tools and things in it. and others can use it too
CitFancy
Enable OptiFine CIT textures on Fabric using Fabric API
CommandBridge
Connect all your servers together and bridge commands across your entire Minecraft network.
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
Sodium+Sable COMPAT
Adds Compat To Sable And Sodium
LeafRTP | Random Teleport
Fast Random Teleportation for everyone, configurable and extensible
CobbleTypes Master
The Ultimate Pokemon Type Utilities in minecraft and cobblemon! Type Chart, Team analysis, Scanning and much more!
Energy-To-Emc
Energy to EMC: A high-performance bridge that seamlessly converts Forge Energy into ProjectE EMC for advanced alchemical automation.
Lite2Edit
Lite2Edit is a small Fabric mod that lets WorldEdit open Litematica schematic files (.litematic).
goPaintAdvanced
The ultimate painting tool for Minecraft
EnhancedVelocity
Customize your Velocity network experience
Classic Reimagined for Sodium and Mods
Resource pack for Sodium Compatibility
AoA Core
Progression, team, and authority layer for the AoA modpack. NarrativeEvent bus, stage-guard recipe/loot conditions, and more in-depth pack layering not possible by kubejs or other scripting mods. All future mods made by me will use this as a library mod
Mixin Helper
Utility mod for modpack developers that provides complete control over mixin behavior
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.
Protect
A WorldGuard-like, modern world protection plugin made for API usage
EternalCore
EternalCore is a modern, actively maintained alternative to EssentialsX. It provides the most important server features in one plugin, with better configuration, performance, and support for the latest Minecraft versions.
anti chest esp donut smp
DonutAntiChestESP Advanced Chest Visibility Protection for Minecraft Servers
Inv Tweaker
Inventory sorting and grouping mod, also has auto fill for the hotbar
Qa Villager Extends & Waste Innovations
This mod enriches Minecraft with new villager professions, practical work blocks, optimized resource recycling, Qa rosegold, and more.
Reload World Button
Speed up reloading a world to allow for quicker dynamic registry changes. Client-side & Singleplayer only!
NickName Changer
Ever wanted to see your own nametag? Now you can. Instant nicknames, effortless skin swapping, and 1.21.4 optimized rendering—all in one lightweight package.
PerWorlds
A plugin that allows you to store player data per world
SkWorldGuard
Most Worldguard effects/events in skript
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.