Minecraft Java 1.21 Mods
Browse 540 free mods for Minecraft Java 1.21 — popular picks include Heaven's & Hell's Armors, If Crafting Had Consequences, iammojogo's Time Control.
Updated daily
Heaven's & Hell's Armors
Adds Heaven's and Hell's Weapons and armor.
If Crafting Had Consequences
This project adds consequences to crafting recipes, which ranges from turning a pickaxe into a giant wooden plank pickaxe, turning an ordinary iron sword into the most powerful weapon in the game.
iammojogo's Time Control
This mod is meant for servers but can be ran on clients also. It controls the time

Potion Dipping
Apply your potion effects to your weapons!

Electrified Energy Greatsword
Get the Powers of Thunder, Speed and Copper with this weapon!
Gun Legion
A firearms expansion for Robot Legion — steam-driven guns, turrets, powered armor, and a Gun Drone ally.
Tidebreaker
This plugin adds a custom anchor which functions as both a weapon and a grappling hook.

Banane Destroyer
This mod adds some basic and complicated weapons. Not too much now, but will update soon
MultiVerse-Protocol
🕷️ The Multiverse Protocol Unleash God-Tier Abilities in Vanilla Minecraft What if your gear didn’t just protect you… but turned you into a walking multiverse anomaly? The Multiverse Protocol is a high-powered abilities plugins that adds weapons etc

No Enchantment Overloading
Tools/Armor/Weapons will now have a limited number of enchantments
Project Legacy
An ambitious Minecraft mod introducing unique armor sets, weapons, immersive progression, and handcrafted adventures.
Cristalxal
Taiga update mod, which also adds new structures and weapons
Syringe_mod
A potion and injection system module for Minecraft 1.21.1/NeoForge. The module establishes a complete production, loading, and usage process around the injection gun, portable medication kit, medication production station, and medication mixing station.
Amethyst Age
Expand Minecraft's amethyst progression with new tools, armor, weapons, food, a custom biome, Crystal Merchant, Crystal Warrior boss, advancements, and unique abilities like 3×3 mining, Tree Chopper, and Crystal Charge! 💜
vanilla gunpowder crafting
Blaze Powder + Coal/Charcoal + Bone Meal
No OP Villagers
This datapack instakills all armorers, toolsmiths, weaponsmiths, and librarians. This is meant to get rid of all the op villagers that make a lot of other game mechanics obselete.

Arsenal Roulette
Arsenal Roulette adds an Arsenal Dungeons Forge that lets you roll powerful dungeon-style enchantments onto weapons, armor, and books with animated effects and combat abilities. Build the forge through the Assembly Table, power it with resources and fight
Telum Solaris - At the Forest's Edge
Telum Solaris aims to add new weapons, armor and boss to minecraft for every stage of minecraft's progression. It is currently my first and only project!
Letors1s's Enchantments
Adds new enchantments for tools, weapons and armor.
Anti Magick: The Aether
Optional Anti Magick integration that suppresses Aether portal travel and weapon abilities
Heart of Life Additions
An addon for Heart of Life adding heart-themed tools, weapons, and armor crafted via a custom smithing template. Upgrade your diamond gear with the Heart Upgrade Template and Heart of Life to forge powerful heart-infused equipment.
Pedro II's End Update
This Minecraft mod adds the End Update to the game with 3 new biomes, 3 new structures, 1 mob, and 2 powerful weapon.
Cupper stuff by Dumkr-
Adds new copper recipes and tools. Tools and armor have interesting bonuses, and a new weapon has been added - the Lightning Staff!
BurgerCraft - Burger tools and more!
WORK IN PROGRESS! Includes Burger themed items, blocks, weapons and more!
Xtra Weapons
This mod adds 10+ weapons, and they are all obtainable in survival minecraft!
The Tales of Alonia: A D&D Vault
This mod adds items from a D&D campaign that I was in, adding main character's weapons, NPCs, fun mechanics, and making you feel as overpowered as a level 20 Steve should feel, with a grind to get to that point. You can't be overpowered without trying.
Copper Tools and Armor
A datapack that adds copper tools, weapons, and armor with full trim support.
RPG PLUGIN
Create a highly detailed RPG-7 weapon mod. The weapon is based on a crossbow and fires explosive rockets instead of arrows. Rockets create a large explosion on impact, destroying nearby blocks
iammojogo's Uncrafting Mod
This mod is a mod that allows users to uncraft crafted items to gain back resources from items they don't need and don't want to throw away or burn.
Revamped Trident
A Datapack that changes the Trident to behave more like a distance weapon.
PackItems
PackItems is a Spigot 1.21+ plugin that turns YAML-defined custom items into fully routed, action-driven weapons and tools, with automatic resource-pack generation, built-in HTTP hosting, and TextAPI support.
Cats but better
This mod adds various cat-based items to the game such as catmint, and cat based weapons, and a new cat mob!
PiglinSMP
Transforms Piglin Bartering into a custom loot system. 7 unique weapons with special mechanics. 🐷

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
DNA SMP
The ultimate viral SMP plugin! Unlock unique DNA powers, steal DNA drops, craft custom weapons, and revive fallen friends.

Domi's More Useful Tools
A bunch of tools and weapons..