Minecraft Java 1.21 Mods
Browse 2,721 free mods for Minecraft Java 1.21 — popular picks include Ars 'n Spells, Silent Mobs/Minecarts, Sentient Pants.
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Ars 'n Spells
Ars ’n Spells bridges Ars Nouveau and Iron’s Spells ’n Spellbooks, creating deeper synergy between two major magic systems. Harness mana, spell power, glyphcraft, and spellbooks together through new compatibility features, cross-mod progression
Silent Mobs/Minecarts
Name noisy mobs or minecarts "silent" to silence them!
Sentient Pants
Adds the Sentient Pants leggings enchantment, idea by @eightsidedsquare.
[IU] No Damage Bee
No Damage Bee is an addon for IndustrialUpgrade that changes the mechanics of interaction with bees.
Effective Invisibility
The invisibility status effect turns mobs detection range to 0 no matter the conditions.
Level Z - Wizards
A LevelZ Addon for the Wizards mod from the RPG series.
Infuse SMP Datapack
A datapack that adds features like Infuse SMP.
Mace Smp
10 Custom Maces with cool abilties u can have fun and play with
Ride My Mon [Cobblemon]
Adds more Pokemon to be rideable in Cobblemon 1.7

Dungeons Reborn
Vanilla friendly mod that adds Minecraft Dungeons style content to the game
Enchanting Tree
An overhaul to the vanilla enchantment system, adding a brand new skill-tree inspired system.
Bliss SMP
this is a minecraft mod with magical gems with abilities and passives
Real Peaceful Mode
Realize monsters' expectations, and get along well with them.
Redstone Crusaders TURBO !
A Jojo's Bizarre Adventure mod. Starring Stands with pushed combat and combo potential !
Grease
Coat a weapon with grease to upgrade, allowing for the addition of short-lived effects to weapons
Vein Pickaxe by Juix
Datapack adding a vein mining pickaxe (aka Ore Excavator)
Lexter's Cataclysm
This Datapack/Mod is inspired by L_enders's Cataclysm. It adds dungeons, new weapons, advancements, strucutres to the Vanilla game.
Keep Inventory Orbs
A fully server-side approach to the gravestone concept introducing 'orbs' to store your inventory upon death.
Longshot
Upgrade your ranged combat with enhanced projectile velocity! The archer's 'Strength' potion effect
Miner's Enchant
adds enchantment that improves the mining experience. adds 3x3 mining, a way to make things unbreaking and more.
Create: Blueprinted
Render Create Mod schematics to an isometric PNG image with a single click.
Better Snowball Fights
Allows snowballs do damage through a custom gamerule
Wandering Wizardry
Sculk based magic and new exploration opportunities
Particle Expansion
Make the gameplay more satisfying by adding particles to some situations in the game.
Sit's End Teleport Anchor
Adds an End Anchor block that, when charged with an end crystal, teleports to a lodestone. Perfect for Vanilla+!
Maid's Return
Add lost maid! Now you can fight with these maids.
GodItems
An RPG plugin that adds custom items with abilities to the game
ForgeCraft - Equipment Extension
Inspired by Hypixel Skyblock Reforge System. Upgrade your equipments and enhance the progression! Customizable Vanilla Item stats......
Jeremi's Tensura
A Tensura reincarnated addon, adding new Unique and Ultimate skills as well as new game mechanics. You can contact me through our Discord Server
G1axSpearOptimizer
A performance-optimized Minecraft mod that makes spear combat smoother, more responsive, and more enjoyable. Experience true combat prediction and optimization with zero lag.
Experience Storage
This small data package allows you to store experience in XP Book.
Armor Trim Abilities
Adds a base power and full set power to every Armor Trim. Each power tackles a different gameplay mechanic.
TaCZ Armor Scaling
Configures linear armor damage reduction and durability loss percentages against TaCZ bullets

oSzoukaua's: Floating Damage
Want to see how much damage you do? Now you can see it though floating numbers!
Rainbows & Radium
Powerful new ores can be used to make customizable bombs, 128-slot barrels, a modular chest-locking system, Ender Pearls enchanted with Infinity, Paxels, multi-use Totems, and more!
Mafish-Crossbow(马夫鱼的弩)
The original Crossbow is enhanced to shoot all items. There is a nesting system, a correction system. Custom edits can be made to the projectiles. 原版十字弩增强,可以射出所有物品。有嵌套系统,修正系统。可以对射出的投射物进行自定义编辑。