Minecraft Java 1.21 Mods
Browse 127,521 free mods for Minecraft Java 1.21 — popular picks include Conservastone, Joyedvanish, Cursed Coin.
Step by step: How to install Minecraft Java mods & modpacks
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Conservastone
Conservative Redstone Pack
Joyedvanish
The only vanish plug-in you need!
Cursed Coin
A cursed item of unknown purpose. Rarely dropped by zombies and skeletons. Use it… if you dare.
Bedrock Ruins
Makes bedrock obtainable by mining bedrock ruins to craft tools
Larry's power ores and weapons
A mod that adds a new ore and weapons. (First mod i made)
PicesCup Develop Lib
The lib provides some convenient methods for developers.

Lifeless World
Adds a new gamerule to the game to prevent all non-essential entities from spawning. Can you beat the game without entities?
ghost commands
add commands that don't really work but look like it for client to confuse your friends.

Lucky Rabbits
Adds More Uses To The Rabbits Foot :]
hsSecurityCore - Modular Security Plugin [1.16+]
security
PaperZ
Plug-in for notes!
Pressing!
A datapack that makes most items fully renewable in a vanilla friendly way
ServerTimers
Infinite timers in one plugin!
Dark Barrier
A dark barrier that inflicts blindness and deals damage beyond a certain radius from the origin.
Homes (Swoosh)
Fully GUI based Homes plugin
HCO Resoure Pack
A resource pack for a specific server

Treplanter
Plants sapling items into sapling blocks when above grass!
Microchels
[RU] Делает вашего персонажа ростом в 1 блок. [EN] Makes your character 1 block tall.
Vampiric Pulse: Ultimate Life Steal
Absorb the life of your enemies with every kill!
Corde Heal
Heal and Feed commands with cooldown, bypass, and customize messages
AeroEngine-Fuel-Whitelist
Adds a config file in which you can add and remove fluids that can be used by the Aero Engine.
HQ pvp swords
a simple pvp pack that make sword semi transp and shorter
Jarona Mace
Would you like to hear Flowery's signature "Jarona" from Chapter 5 of Deltarune instead of the sound of the mace? With this resource pack, you can make that idea a reality! JARONA
Shink's More Nuggets
Add more nuggets version to the game!
Maxwell of Undying
turns the totem of undying into the infamous loaf, Maxwell
oguz's elements
vanilla+ chemistry,industry and some mytical stuff
oracsur_aeronautic_compat_pack
Compatibility for Create Diesel Generators, Immersive Petroleum, and steel unification(steel 1.3.2ver only)
rasefull
The best resourcepack for SMP,PVP and Vanilla
(Ss)Simple stroke16x
16x style texture pack Applicable to 1.21.1+
Hollow Purple Golden apple
A glowing purple cosmic-style Golden Apple texture based on the supplied purple energy orb.
Beaty Addons
This adds a bunch of Beaty Blocks.
Damage = new dimension
Makes it so that every time you take damage your dimension randomly changes (End, Overworld, Nether)
WH40k GUI
This project changes the vanilla GUI to a Warhammer 40k themed GUI
Pink Potions
Pink Potions pack makes outline of potions pink!
Smaller Crosshair (DataGhost57)
This simple resource pack makes the default crosshair smaller.
Cake Golden Apple
Make your golden apple a golden cake instead, works with enchanted golden apples too!