Minecraft Java 1.21 Mods
Browse 9,258 free mods for Minecraft Java 1.21 — popular picks include Ancient Forgemastery, Oasis 2.0, Malstone.
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Ancient Forgemastery
Adds a set of upgradable artifacts, each offering useful and fun features!
Oasis 2.0
Minecraft but in Venice, in Candyland, on the Moon - or wherever you want. Transform your game to any world or style in real time with some AI magic.
Malstone
extends Malum and adds some items about it.
Put Mana In
PutManaIn is an Ars Nouveau add-on that allows players to right-click on a Source Jar to inject their own mana into it.
Infinity and Mending [Data Pack]
Adds ability to craft bow with mending and infinity at same time
Trims Overhaul [Limitless]
Grants every trim a unique set of powers, optionally through quests.
All The Forge
A modpack that blends tech progression with enhanced vanilla features, improved structures, and new dimensions to explore.
Vampirism Iron's Spells Compatibility
Vampirism mod now integrated with Iron's Spells Blood magic. Use your blood to reduce cooldowns, use blood ray and bite to restore blood! Also aware of Holy spells!
Infinite Horizons - Modded Superflat Survival
A modded superflat experience
Spell Vulnerabilities
Configure custom resistances and vulnerabilities for mobs to different spell schools
Tunes n' Tomes: a bards journey
An Iron Spells n' Spellbooks addon that introduces the sound school from the Alshanex Familiars mod rebranded as Melodic School and expanded
Nycto
Adds vampires (and later werewolves), and allows you turn into or hunt them
Multi Arrow Effects
Combine arrows with potion effects and carry multiple effects in a single shot.
Guildmaster
Custom Quests and Enchanting System!
Spirit Walker
Relatively balanced freecam potions
Beebeeblock - The Skyhive
Beebeeblock: The Skyhive [蜂蜂空坊]. A Skyblock modpack focused on the Productive Bees mod. Created for players who want to become familiar with bee mechanics.
Ancient Artifacts 2
Unlock over 50+ artifacts with unique abilities and equip, craft, recycle and trade them! A result of over 2 years of work!
Just Potion Rings
Adds Rings that apply potion effects to the player while worn. compat with Trinkets / Curios API / Curios API Continuation / Accessories / Adorned
Apotheosis Balance Configurator
Configure Apotheosis balance through simple config file - no JSON editing required!
Miner's Moon
An add-on for Enhanced Celestials that adds a Miner's Moon

Gallant Gauntlets
Adds gauntlets: a new weapon/armor class with both attack damage and armor value
Super Apple
Add some special apple which is can give you some effect.
PixelMagics NeoForge
A Serverside mod that adds QoL, Pokeedit Items, Summoning Flutes, New BallLogics, Training Camp, Fun Items and more.
Better Snowball Fight 3
A winter theme mod suitable for mini-games
MSW Compat
Spell Power x Marium's Soulslike Weaponry
Project MMO: Iron's Spellbooks Compat
Adds compatability between Project MMO and Iron's Spells and Spellbooks.
Attack On Titan - Awakening Of The Titans
immersive and optimized attack on titan modpack
More Potions!
Adds a few new potions and tipped arrows to Minecraft based on existing status effects!
Bliss SMP plugin (BlissGems)
BlissGems is a Minecraft plugin that adds a unique gem system where players equip magical gems in their offhand to gain passive abilities and activate powerful skills. There are 8 of the gem types (Astra, Fire, Flux, Life, Puff, Speed, Strength, Wealth)
Enchantology
Adds 50+ new enchantments to the game!
Create Train
Main about Create and its trains,better player models and the maids,those who like above will definitely want to download it! WARNING:don't let the Maids drive the Trains(or the other Contraptions), there may be unforeseen problems! BUT NOT ONLY THEAE.
DamageSource Is Not Null Basic
An attempt to solve DamageSource NPE (Only Covers Vanilla Mobs)
Warden Slayer Enchantment
A simple enchantment to fight the strongest minecraft mob
Realms of Redemption
5 new dimensions, with bosses, dungeons and magic!
Shrapnel Explosions Overhaul
The mod adds cinematic flying debris after explosions that deal damage, can penetrate thin obstacles, and ricochet off metal objects.
Wizardry Delight
Addon for farmers delight - magic plants