Minecraft Java 1.21 Mods
Browse 21,935 free mods for Minecraft Java 1.21 — popular picks include Codex, EternalCore, KLAXON.
Updated daily
Codex
A journal mechanic full of discoveries players need to unlock to access server lore.
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.
KLAXON
WIP tech mod that now has an awesome Grappling Hook
PokéGems Legacy pack
PokéGems Legacy is a custom Cobblemon Add-on which adds Fakémon from the PokéGems Custom Region Cento into the wonderful world of Cobblemon.
P.I.G. - Personal Intermediate Groink
It isn't a normal pig...
Gravity Changes Randomly
Every 30 seconds, the gravity of all players in the world will change randomly.
Create: Gunpowder Recipe
Enables a fully automatable Gunpowder recipe designed specifically for the Create mod.
Totem Offhand Warning
Shows a subtle red vignette when you have a totem but forget to hold it in your offhand.
Ravageous Tornadoes
This datapack adds tornadoes, which destroy grass and leaves, and make mobs & player fly if they get stuck
Ore Collapse
Mining ore veins triggers cascading block falls from unstable stone above.
Nice Horse Stats
View Stats of every tamed Horse.
Custom Waypoints
This mod allows you to create custom waypoints with extensive customization and utilities using commands.
Spineless
This cactus sure is prickly- or is it?
Decorative Bags
Add upgradeable storage bags for seeds, bulk blocks, and more to your Decorative Storage system!
Bigger Enderchest
A fully customizable ender chest plugin
Physical Vehicles
A REAL physically accurate vehicle simulator on a datapack! You can arrange physical races, drift challenges and RPG situations!

Tweaks
An Essentials-like, must have command collection for your minecraft server
Auto Hotbar
Configure your hotbar automatically
Luna's Keep Inventory
A keep inventory mod/data-pack with customization in mind!
Emotecraft x Easy NPC
Compat between Emotecraft and Emotecraft
Simple World Anti-Lag
Clears entities from the world without affecting your farms and other improvements
Immersive Lanterns (Unofficial Patch
Unofficial patch of Immersive Lanterns by Toni. Removes hard dependencies on Sodium Dynamic Lights and Accessories, allowing use with LambDynamicLights and/or Curios API.
Entombed
Stores all your drops in a tomb.
Dungeons, Creatures and Classes (DnD)
A D&D inspired RPG mod with Mobs, structures, classes and a lot more!
Vivillon Overhaul (Cobblemon)
Overhauls Vivillon and its pre-evolutions to fix the many issues regarding them (Cobblemon).
Better Flight
Flap your elytra wings to speed up without rockets!
MaceCooldownn
Mace cooldown plugin for popular smp plugins like Strength Bliss smp etc.......
Back On Death
Return to your last death with /back
Superflat Plus
Add-ons to expand & allow you obtain unobtainables from Superflat Worlds

Gender Affirming Hormone Therapy Mod
Adds gender affirming hormone therapy to Minecraft in the form of new effects that let you dash or slide up walls.
Realistic Plant Growth
Powerful Spigot/Paper plugin that brings a new level of realism to the Minecraft flora, allowing you to fine-tune growth parameters on a per-biome basis.
Miketavious's Auto Miner
An client side auto miner for Minecraft
Big Globe - Biome Tags
Adds Big Globe's biomes to vanilla and Tough As Nails biome tags
GreatCombat
Powerful combat mode manager with cooldowns, scoreboard, preventions, powerups and a lot.
ClickThroug
Open chests through signs and frames effortlessly.
oSzoukaua's: Re-place!
Allows you to place down raw fish, and minecarts just like how you would an armor stand or a boat! ^-^