Minecraft Java 1.21 Mods
Browse 3,322 free mods for Minecraft Java 1.21 — popular picks include CrashCasino, TPA+, Alchemica.
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CrashCasino
A simple Crash Casino plugin that runs on Paper.
TPA+
A polished teleportation addon for Ly+ Settings featuring a dimension-aware request GUI, per-player reception controls, and a clean action bar countdown.
Alchemica
Vanilla+ Cauldron Brewing
Heavier Core
Heavy cores fall now...
CreeperShield
Prevent creeper spawns near players with permission.

Bedrocks Blocks
Adds Bedrock-style Allow, Deny, and Border blocks to Java Edition.
MOTD Studio
Add better customizable MOTD for better looking & nicer SMP
LagLens
A lightweight client-side diagnostics HUD that helps you understand why Minecraft feels laggy.
P_Meteoros
Eventos Veteoros Veteran Events
Chicken Jockey Plus
Adds commands to summon different variant jockeys
Socks5SRV
DiscordSRV Addon
Gelatin Functional
This datapack enhances your Minecraft world with new mechanics and features designed to improve gameplay, offering a more functional and immersive experience.
Crystal Components
Crystal based Redstone components
RevertRaidChanges-Extra-VaultsOminousBottleRemove
Removed the Ominous Bottle from the Vault LootTable.
Magnetic Players
Adjust players' item pickup range and delay to your heart's desire!
Kaucjomat (Bottle Deposit Machine)
Immerse yourself in the world of deposit-free bottles and cans and get something back for yourself ;) #🇵🇱⛰️

GrimsArmy
GrimsArmy is a Minecraft mod that spawns bot players with real combat AI. They sprint jump, land critical hits, block with shields, switch to axes, and throw potions.

Project: Nuclei
Adds uranium ore, lead ore and an enrichment process for making uranium rods. Also adds graphite rods (crafted with coal), a nuke, a radioactive seperator and various crafting components. In general this is a (kinda) scientific industrial progression mod.
TwinPing
Twin Ping is a mod to sync your ping with other players, especially made for tierlist fights!
Junk Dropper
Best mod for cleaning for servers
ScheduledShutdown
Select the time you want your server to shutdown every day.
Recycling Mod
A Simple mod to economize materials. Beta State
PlayerStateSaver
This mod allows players to save their current state (xp, inventory, position) to a file and then load it at a later point. Made by _flushed.
CastomCommands
This data pack adds some special useful commands to Minecraft via /trigger
/tpr Teleport Random Command
Teleport To Random People With A Single Command!
Void_Filler
Void Filler is a technology‑focused Minecraft mod built with an engineering‑driven approach to architecture, system design, and scalability.
BestCape
Adds a clean, customizable GUI and lets players equip their own custom capes.
Antique Odyssey
A progression-focused adventure modpack where ancient magic, powerful relics and mechanical engineering shape your journey. Explore a world filled with dangerous bosses, forgotten ruins, powerful spells and intricate machinery.
zLink
This plugin adds a configurable way to create your own minecraft bridge linking system. It connects via mongo database (more on the way) and gives user a code to link on your application/project.
Yoo Announce
Yoo Announce – Minecraft plugin for automatic chat announcements.
DropPrevention
A plugin for Minecraft servers based on Spigot/Bukkit that allows players to control the ability to drop items.
QuickReport
Players can report others, track report status, and view history. Admins get instant alerts, manage reports via chat menus, and give rewards for valid reports.
EG Oxidation Machine
Oxidation Machine adds the Oxidizer, a machine block that accelerates copper oxidation using Forge Energy (FE).
Create Mechanical botany sapling
This datapack adds Recipe's for sapling to get log with a change of getting more saplings
Harvest Tractor Plugin
HarvestTractor adds drivable farming tractors. Harvest crops, plant seeds, use lava as fuel, store items in a GUI, craft tractors, and ride solo or with a passenger on the tractor.

No Crystals & Anchors
This datapack removes End Crystals and Respawn Achors recipes