Minecraft Java 1.21 Mods
Browse 748 free mods for Minecraft Java 1.21 — popular picks include InGen Genes, Arsenal and Anvil, Create Build Gun.
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InGen Genes
InGen Genes is a Minecraft mod focused on archaeology and genetic engineering. Extract fossil DNA, manipulate nucleotide sequences to clone accurate dinosaurs, mutate vanilla animals, or engineer complex hybrids.
Arsenal and Anvil
A small QoL mod aimed to add a variety of new weapons and tools for all tiers.
Create Build Gun
A tool has been added to print blueprints in survival mode. Intended for modpack creation.
Create: The OP Cheese
A survival-friendly Create addon that adds powerful cheese-themed ores, machines, armor, weapons, guns, and rats to expand automation and progression.
Mrcool's Grenades
A mod that adds new explosive weapons
Personatour's "Quality of Items"
A Mod aimed to make Copper, Amethyst, Certain Foods, and Wandering traders more fun and sought after!
Resource Boxes
Adds boxes with different resources that can be found in dungeons or crafted from new ores
Aliens Vs Predator: Resurrection - Aliens
A continued project, cloned with permission, of the new alien vs predator mod.This module adds alien content.
Manufacture gunpowder
Provides a reliable source of gunpowder for bullet manufacturing in zombie-themed modpacks by implementing smelting recipes that convert coal into gunpowder, especially when creeper drops are limited.
_PARADOX_
Travel to the future to defeat the Paradox
EnchantSense
Intelligent enchantment guidance directly in tooltips for all weapons, armor, and tools. Supports swords, mace, trident, spear, bows, and more.”
Nirsland's Additions
This mod adds fresh new mechanics and other cool things.
Reinforced Singularity Rifle
An addon for Reinforced Black Holes that adds Singularity Rifle
Better craftable trident
A simple mod that adds a realistic crafting recipe for the trident.
NeoCBadd/CB Redstone Expansion
It has added some enchantments some weapons and something of Wireless redstone
Arcanum Unbound
Arcanum Unbound - is a mod that adds magic and artifact crafting. You as a wizard need to become strongest. The mod has an experimental philosophy of sacrifice and the price of strength, be ready for the challenges.
Emerald Items BC
The mod adds emerald armor, tools and crafts.
Simplest Scythes
Tiered scythes capable of tilling in a 3x3 area
Nuclear Weapons
Adds Nuclear Weapons (Nuke/Coming Soon...)
Aiden's Tech
A technological mod made for adding more technology to Minecraft, much like mods like Hbm's Nuclear Tech mod. This also includes firearms, such as the Mosin-Nagant, M16, and M1911.
Explosive Aircraft
Adds explosive weapons to Immersive Aircraft
Defense Turrets
Advanced defense turrets with customizable targeting, whitelist management, and multiple weapon types for your Minecraft base.
Elven Tools
A mod that adds a variety of Elven Tools to the game alongside other elven-inspired items the player can use. Enjoy your elven adventure!
Emerald Matcha Craft V3
Most of the functions and items are expanded and inspired from the original minecraft, and are developed mainly for survival convenience.
Snow Cannon
Snow Cannon weapon!
Better Brushes [FORGE]
More brushes more options

Defcon
Defcon is a system which includes nuclear related weaponry and machines, as vanilla as possible.
Mekanism: Weapons BDCraft
BDCraft (originally by Sphax) patch specifically created for Mekanism:Weapons in 512x - 32x!
Simplest Watering Can
Watering can that hydrate and fertilize your crops
Overgearium
Adds almost universal overgeared modded compatibility
Simple Flight Armor
Simple mod that adds craftable diamond and netherite armor that allows creative flight. The armor is also integrated with the Minecraft trimmable armor system. Double tap space to fly!
SPower
SPower adds three legendary power weapons to your Minecraft server with unique abilities, stunning particle effects, and complete customization options. 🔱 POWER TRIDENT • Lightning Strike - Summon devastating lightning that breaks blocks and damages enem
Madoku Craft
Madoku Craft is a configurable Minecraft overhaul mod. It adds seasons, an ecosystem, pets, and a leveling system.
Primitive Tech
Oil, industry, vehicles, guns, artillery, all implemented in a non-overcomplicated manner
TurboWarp SMP
Create-centered technology and automation modpack, adding tons of industrial and mechanical blocks, new frontiers, explosives, and weaponry
Pandawii's Emerald Tools
A mod that adds emerald tools to minecraft.