Minecraft Java 1.21 Mods
Browse 21,935 free mods for Minecraft Java 1.21 — popular picks include Kit Manager, Law & Order, Damage = new dimension.
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Kit Manager
A Datapack that lets you save your inventory into a kit to then load it later down the line!
Law & Order
A tactical Minecraft mod for capturing, binding, and tracking players. Restrain targets with ropes, haul them on a lead, or plant micro-bugs to track their exact coordinates across dimensions using a tracking compass.
Damage = new dimension
Makes it so that every time you take damage your dimension randomly changes (End, Overworld, Nether)
Squid's Inventory Hud
Easy to use mod that allows you to display your inventory as an hud above ur hotbar. Can be toggeled with an hotkey.
Hold To Walk
Instead of hold to sprint, it's now hold to walk.
Mechanical Factory
This is a Minecraft mod addon for Create called Factory
360 no scope
Spin a full 360 while drawing your bow to power up your next shot
Questforge
A new way to track advancements and adds new ones
RankedBot
RankedBot is a practice utility for modern Paper servers that lets players spawn custom NPC bots to practice CrystalPvP
MI-84 Calculator
The Minecraft Instruments 84: an all-in-one calc for blocky calculations!

Ultimate Guilds
A modern guilds plugin for Paper, Leaf, and Purpur servers with GUI, ranks, guild rating, bank, upgrades, applications, allies, and PlaceholderAPI support.
ServerCore ClaimCore
> Land claims that are not boxes. A claim is a list of rectangles, so L-shaped plots are > normal. Live coloured preview before you spend, claim blocks earned by playing, global > trust, two flag sets per claim. Flat files, no dependencies.
Creepy Colorful
Creepers are now a colorful bunch thanks to Creepy Colorful!

Remove Action Bar IP
Removes the annoying Server IP advertising from action bars
Even Lower Fire
A PVP mechanism where fire is lower.
What are these configs? (WTC)
Adds a whopping 18 fun configs for some fun
EZoom
Add the C to Simple Zoom In The Your World
Simple Bed Bombing Disabler
Simply makes bed bombing impossible!
LightCatcher
The feasibility of using light source blocks in survival mode, with support for protection plugins.
CutCommand
Dynamic Shortcut Plugin Create permanent command shortcuts instantly with custom variables (like %block% or %item%), built-in tab-completion, smart -- delimiter support, and automated LuckPerms permissions. Highly optimized!
BluCooldown
Minecraft Paper/Folia plugin for adding fully configurable cooldowns to items
Recipegraph
RecipeGraph is a recipe scanning and exporting mod for Minecraft. It can scan all recipe data from JEI in game through commands, then export the data as a JSON graph. The exported JSON can be searched and viewed with the bundled index.html.
Addon for AdvancedTeleport
Confirmation GUIs, a homes manager, a colored hotbar warmup countdown with sounds, RTP/Back/Warp locks and a central menu for AdvancedTeleport. Fully plug-and-play — no manual config editing needed.

HarderEyes
Makes Eyes of Ender more involved to craft, slowing down progress and requiring more exploration.

Survival Currency
A fair and survival friendly solution to currency.
zCaps
Allows players to type commands in any capitalisation. (e.g. /Gamemode, /SuMmOn)
Conductor Tools
This mod adds: Well, Conductor Tools!
kʊɹs'd
loot chests spawn procedurally generated bekʊɹs'd items. Cursed in their own wɛɪj.
Auto Fisher
Adds a multiblock auto-fisher structure that catches fish every 60s

killspeed
kill someone, gain speed
Z0nexx plugin hider
a very simple and good plugin hider with a easy configuration file
DxLifeStealCore
Best Replica Of LifestealCore And Added New Features
PathGuide
Landmark navigation for vanilla SMP servers No teleports compass action bar and your own two feet Paper Folia 1.21 to 26.1.2
Data Guard
It's a PaperMC plugin that automatically saves player and server data so nothing gets lost or rolled back unexpectedly. It snapshots everything — inventory, armor, ender chest, XP, health, food, potions, and location.
mHub
A plugin designed for managing a HubCore is an add-on specifically designed for use with your lobby.
No Xp Spawner
Disable XP from mob spawners and trial spawners.