Minecraft Java 1.21 Mods
Browse 125,407 free mods for Minecraft Java 1.21 — popular picks include QRMap, Lavender Tooltip (Frame-only Monochrome), EG Oxidation Machine.
Step by step: How to install Minecraft Java mods & modpacks
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QRMap
A simple plugin for creating text or links to QR codes on a map

Lavender Tooltip (Frame-only Monochrome)
Changes the Minecraft Tooltip to be Lavender (Frame-only Monochrome) – Part of the Pride Tooltips collection.
EG Oxidation Machine
Oxidation Machine adds the Oxidizer, a machine block that accelerates copper oxidation using Forge Energy (FE).
Simple_Beds
This project gives the player simpler/cleaner beds consisting of only two colours.
Columnar
Datapack for consistency within various Stoneset recipes as well as expanded Blast Furnace smelting!
Totem of Undying Penguin
Transform your Totem of Undying into legendary One Piece characters with this Penguin custom texture pack!
BlockInspector
Inspect blocks to see who placed them, when, and in which gamemode.
ISleep
Sleep anywhere, anytime - Control explosions in all dimensions
[Hiatus] AXELotls
(This project may not get further updates) It seems the axolotls have taken a note about Organization XIII and now share Axel's voice.
spvelocity
A plugin that allows you to use velocity as a spigot plugin
Craftable spawn eggs by YoungEagle
a datapack that allows you to craft spawn eggs and spawners!
FishMarket
Sell fish buckets to NPC's for dynamic prices with calendar events, player stats, and leaderboards.
DP-BlankCheck
simple blank check plugin
RoyalMC SMP Modpack
RoyalMC SMP Modpack is an modpack that has sparks of QOL and FPS
Upgraded Chat
A minecraft mod with many chat related QOL features
WoolTool
WoolTool is a Fabric mod for Minecraft 1.21.5 that adds new tools for working with wool and leather! Repair your leather armor, craft with wool more efficiently, and enjoy new crafting mechanics.
necessarily optimised
a optimisation modpack created not just for performance but also for graphical enhansments
TmAlert [1.21.x]
Send Alert in ActionBar, BossBar or Title
Dark Echos
Deep Dark Dimension And MANY new Deep Dark Items. Be aware that the file is brownie cow however that should be changed when beta ends
FreshMagnet
Item magnet for your server
Alternate Craftables
You ever get tired of coal? Do YOU like going DEEP underground for diamonds? No? Then I've got the mod for you!! Turn those pesky stacks of unused coal intoooo You guessed it, DIAMONDS!! Get down and dirty with the new Condensed Coal Block!!!
dirt_worlds
Find a dirt maked dimension....
One Life [NanoVirus]
You have only one life (Like in hardcore) but also after your death a corpse is spawn (Last thing that they will have after you)
Config Debugger
A simple Open-source Paper/Spigot plugin that scans all YAML configuration files in the plugins folder and reports syntax errors. Useful for debugging misconfigured plugin files.
Nicely Optimised
A client-side optimization modpack with a few extra tweaks.
Pack Commands
a utility mod for storing and reusing commands
Mushrooms [optimize only]
Collection of optimization mods from Mushrooms
Censored
Censor every text, every number, every character!
UIM - Only Hotbar (osplo version)
Inspired by Old School Runescape's Ultimate Ironman mode, this datapack restricts your inventory and storage options (original version by osplo)
Just Optimisations and QoL
Adds a bunch of client-side mods to optimise and improve your game experience
CustomChatFormat
Custom chat & join / quit messages
SkyBlock But Better!
Vanilla Friendly Challenge!
[1.20-1.21] Imposter Craft With Roles
Based on the hit game - Highly customizable
Lotus Creations
Lotus Creations. Lotus - The Great Blacksmith and the Lost God.
Status Teams
A simple data pack which lets users display a status next to their name.
jetpack datapack
makes you fly when you hold a netherite block (do /function jetpack:loop tho)