Minecraft Java 1.21 Mods
Browse 38 free mods for Minecraft Java 1.21 — popular picks include Advanced Fishing, Insane's Survival Overhaul (aka IguanaTweaks Reborn), Stellarity.
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Advanced Fishing
This mod overhauls fishing with 49 new fish, biome-based catches, lava fishing, new enchantments and curses, custom potions, early-game tools like the Chum Bucket, and fully reworked fishing mechanics.
Insane's Survival Overhaul (aka IguanaTweaks Reborn)
Overhaul survival with many changes to existing mechanics. Weapon rebalance, enchanting rework, and much more
Stellarity
Extreme rehaul of The End in a unique fantasy style, combined with biome and structure overhauls, new items, weapons and plenty of other content to discover.
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Gravestone Dungeons Data Pack
This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!
Overly Realistic
Introduces overly-realistic game mechanics, making the game extremely hard and time-consuming as to incentivize players to cooperate
ValhallaMMO
Specifically designed to counter the 2-week gameplay cycle. Keep players active for longer! (Also known from The Realm SMP!)
Arky's Aesthetics
This is vanilla style mod that adds some of vanilla style features and upgrades vanilla mechanics

Tasty Supplies
Adds +90 new food items and 2 new weapons/tools to Minecraft!
Journey Into The Light
Journey Into The Light (or "Journey" for short), formally known as Essence of the Gods, is a large exploration mod that not only expands the vanilla content added - but also adds 8 new dimensions, over one hundred mobs, strong weapons and armor, and more
Overeating
Adds overeating and new useful mechanics for survival and combat!
Ekipa Mod
The mod adds a lot of different things related to the team, eg. Ice cream of the team and their extensive mechanics, drinks, party CDs, mobs (no nowciax), notebooks, boxes, phone cases and many other things.
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
War weapons
Medieval styled weapons and war utilities.
Minestuck Extras
Adds new blocks, weapons, foods, and armor sets to Minestuck.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Gelcraft
Enhance your Minecraft experience with this datapack! Add new tools, weapons, and unique items to the game, designed to expand your adventures and bring variety to your world. Perfectly balanced and fully integrated, these additions are crafted to elevate
TurboWarp SMP
Create-centered technology and automation modpack, adding tons of industrial and mechanical blocks, new frontiers, explosives, and weaponry
Unstable Twist
A chaotic Minecraft plugin that adds powerful custom weapons inspired by Unstable SMP and Heartless Horizon.
XL-mod
This mod adds weapons and bioms!
stupid baby mod
!! LOUD NOISES !! a mod that adds a bunch of different baby mobs, items, blocks, weapons.
Crystal Town Mod
A mod that adds a slightly elaborate universe! A couple of dimensions, lots of interesting mobs, progression, magic wands and toxic weapons!

Orbital's Radish Mod
A basic food mod that adds radishes, radish blocks, a radish weapon, and more!
AeroMechanica
A high-performance Create and Aeronautics modpack. Fly custom steam-and-jet powered airships, build power grids, automate weapons, and enjoy a cozy immersive sky-exploration experience on 1.21.1 NeoForge!
Japancraft
This mod adds new japanese-style features like a new mob from princess mononoke, structures, a new biome, a new dimension, armor, weapons and more!
Arcane Imbued
Adds multiple magical wands that can transform certain blocks into their arcane variant in just a click! Use these newly modified versions of vanilla blocks to craft new weapons, foods and armor.
SmartLootFilter
Take control of your inventory in Minecraft 1.21.11! Smart Loot Filter lets you choose exactly which items to pick up using a simple menu with categories like Weapons, Armor, Tools, Food, and more. Perfect for servers and singleplayer. Requires Fabric API.
Pinecones & Acorns
Forest foraging: jams, resin, Forest Forager villager, throwable weapons, and Forest Wreath. By tototara Studio.
Hex's Grim Items
A mod that adds grim and soul related items and weapons.
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! 💜
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!
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
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.
Void and Full
A necessary mod to bring the creatures, magic and weapons of the Void Gifted Server to players.

GlowSense
This mod provides real-time visual cues for combat, tools, and survival, highlighting the best weapon, tool, or food based on the situation to make gameplay more intuitive and responsive.