Minecraft Java 1.21 Mods
Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include Experience Bar Health Indicator, Curses Revamped, mineable end portal frame.
Updated daily
Experience Bar Health Indicator
This mod utilizes the Minecraft experience bar & level text, to display the HP of entities that you are looking at (toggleable).
Curses Revamped
Curses Revamped reworks Minecraft's vanilla curses so Curse of Vanishing and Curse of Binding matter while you are still alive.
mineable end portal frame
with silk touch you can mine the end portal frame
Chicken Jockifier
A Minecraft Movie based data pack that turns adjacent baby zombies and chickens into chicken jockeys
No Hunger from Eating Rotten Flesh
Clears the hunger effect you get from consuming rotten flesh. nohferf.
Hacker Villager
Place a command block next to an unemployed villager and the villager will now offer you unobtainable items!

BIG Challenges
BIGChallenges: The Ultimate Survival Test 💀
GlyphVM
A minecraft mod similar to hex casting and Trickster . Magic programming with elements of engineer programming and a stack. (In development)
V's Lucky Block Engine
A Command driven Lucky block engine for 1.21.10
Maximum Difficulty
A mod that increases the difficulty of Minecraft to its maximum, reaching 32-bit integer limits.
DailyEvent
Minecraft plugin with randomized daily event
UnlimitedEnchantPlus
UnboundEnchants is a Paper 1.21.x plugin that removes vanilla enchantment limits, allowing players with permission to apply unsafe and overpowered enchantments like Sharpness 100 or Knockback 10 on any item. It includes a simple /unboundenchants:unenchant
Breathtaking Aconitum
This mod adds aconite and its unique mechanics, food, and toxins

Craftable Light Block
Just DataPack add recepie for light block
NametagToolkit
A few options to customize and control name tags.
ReddishTheBest's Survival Additions | RSA
Datapack with a few survival-centered additions. Crafting Table+, Multi-Tool, Diver's Helmet with more to come!

Size changing potions
A pretty simple but effective mod that adds size changing potions, which does NOT use pekhui! Try not to make yourself too big or... *windows error noise*
Enchantment Upgrade
Adjust the maximum level of enchantments to 255!
Mythical_sword
This mod adds a mythical sword. Funny for manhunts.
SScript
Fabric mod that adds a Python/Lua-like scripting language to your Minecraft server. Write game logic with events, built-in functions, HTTP requests and file I/O — no Java required.
No Spears
Remove spears from crafting and loot pools.
Echo Mod
A mod that adds EchoLocation to Minecraft.

Soul lock
A mod that lets you lock your soul to be a "god"
Haunted Environment
Doors, glass, torches, it's like everything you touch is haunted.
Scrapped
Make scrap useless by removing the recipe for netherite ingots
Styzex's ultra hardcore
This datapack disables the diamond armour recipes and limits the player to have only 3 hearts
SmashDamage
A small concept plugin that takes Smash Bros.'s fatigue mechanic and tries to implement it in Minecraft (with knockback).
Crazy Tweaks
Adds new crazy tweaks in game.
Better Spawn Eggs craft
This data pack adds the ability to craft spawn eggs and spawners

uncrafting inventory
What would happen if the recipes that you craft were reversed?
Harsh Rain
Makes you lose air, mine + move slower in rainfall. this means you can drown in the rain.
Jump Ring
Adds a Jump Ring giving you permanent Jump Boost when in the Inventory!
Raw Netherite
Modifies the process of obtaining Netherite
CasterOS
CasterOS is a cross-platform Minecraft magic plugin for Paper and Sponge servers. It features immersive spell casting, dynamic magic mode, and easy spell management with YAML files—making it simple to customize and expand your server’s magical experience.
One Heart Plugin
A plugin that makes all players have only 1 heart
He Knows
EntityWatcher is a slow-building ARG-style Minecraft datapack that subtly distorts reality and behavior to make players feel watched, followed, and known. .... . .-.. .--.