Minecraft Java 1.21 Mods
Browse 3,307 free mods for Minecraft Java 1.21 — popular picks include More Redstone, Compat Recipe Master, Turtles: The A.T.O.M..
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More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
Compat Recipe Master
My custom alternative compat recipe bundles. Icon is inspired from Satisfactory.
Turtles: The A.T.O.M.
Become the A.T.O.M. (DC) in minecraft! Plus some extra super tools.
ServerAnalytics
ServerAnalytics is a powerful, lightweight, and fully free analytics plugin for Minecraft servers, designed to help server owners understand player behavior, track progression, and optimize their gameplay experience like never before.
StarPortal
This plugin is created referencing the Stargate saga, although the plugin itself is a way for players to transport themselves through portals.
Seyllo
Connect your Minecraft server to your Seyllo store. Auto-delivery, remote console, real-time monitoring. Free alternative to Tebex.
FluxForge
An industrial tech plugin for Minecraft servers. Build power networks, automate your world.
PerInfo
PerInfo is a robust utility plugin developed for Minecraft 1.21.1. It was designed to provide total transparency regarding commands and permissions, while transforming the chat experience through dynamic, real-time sharing of items and player status.
The Copper Joke
This Datapack makes silly changes to the new Copper Age Minecraft update.
Damage = new dimension
Makes it so that every time you take damage your dimension randomly changes (End, Overworld, Nether)
Local-Global
This mod adds local and global chat, and removes player nicknames.
Realistic Create Recipes
Adds realistic Create-inspired recipes, including synthetic diamond production and charcoal processing.
KrepAPI (Plugin)
Run server commands when a player presses a key- configured in a simple YAML file, no programming required.
vSafeMobs
Spawn Mobs, with custom attributes. Such as (scale, health, AI, attack, e.t.c.)
SentinelStaff
SentinelStaff is a lightweight, powerful admin utility plugin designed for modern Paper servers (1.21–1.21.x).Built for performance. Designed for control.
LMX-Magnets
LMX-Magnets is a Paper plugin created for the Luminex server that adds customizable magnetic zones to Minecraft worlds. These zones attract specific items, entities, and players under certain conditions.
NotOnlyGraves
Never lose your death loot again! 🪦 Spawns beautiful memorial graves with tall pillars, locked chests, and grave key compasses when you die. Works in Overworld, Nether & End.
GPS Systems
Adds visual GPS navigation to Minecraft servers.
Fluxel
Extended hopper pickup range for Paper/Spigot.
ProgressionTraide
Dynamic trading/workstations that evolve with progression—no more static “one-size” trades.
ElementalCrystals
ElementalCrystals adds custom elemental crystals with special abilities. Players can craft and use Fire and Water Crystals in survival gameplay. Thanks
VisionBurst
A fun and lightweight Paper plugin that brings bursts of creativity and surprises to your Minecraft world.
Econics
Econics adds a flexible multi-currency system to your Minecraft server. Create custom currencies with MySQL/SQLite support and a simple developer API.
NPCSpeak
AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.
Chorusfix
Chorusfix restores near-vanilla chorus plant behavior on Paper servers where chorus plant updates are disabled for custom-block plugins.
DialogAuth
Lightweight minecraft auth plugin with DialogAPI support
Knowledgebound
KnowledgeBound is a server-side RPG skill progression and balancing mod for Minecraft (Fabric 1.21.1). It replaces standard vanilla progression with a time-and-action-based knowledge system.
ThreeBody
In Minecraft, a high-freedom sandbox game brimming with endless possibilities, step into that vast and mysterious universe and immerse yourself in a world of The Three-Body Problem, filled with unknowns and dangers!
AntiCivBreak
The minecraft paper/spigot Anti Civ Break plugin for ANNIHILATION Game.
ReinforcedPumpkin
Plugin to convert helmets into customizable pumpkin items with preserved stats
Enemy Tracker
Time to Detect the Threat and Enemies!
Regius Redstone
This mod adds redstone components that aim to make computational redstone easier.
AutoExecutorMod
Automatically execute multiple commands from text files in a single game tick.
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
BlockNadzor
Bureaucratic restrictions and censorship in Minecraft.
GeometryDashMC
minigame inspired by Geometry Dash that lets you compete with friends, beat difficult levels and play together whenever you’re bored. Challenge yourself, improve your timing and try to become the best on the server. Perfect for quick games with friends or