Minecraft Java 1.21 Mods
Browse 2,756 free mods for Minecraft Java 1.21 — popular picks include Infuse S1 Revamp, Origins-Mobs, Spears, Axes, Swords, Shields, And Other Tools (SASSOT).
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Infuse S1 Revamp
Infuse S1 Revamp recreational plugin
Origins-Mobs
An Origins Reborn origin addon for PaperMC servers, based on the Mob Origins mod by UltrusBot

Spears, Axes, Swords, Shields, And Other Tools (SASSOT)
A vanilla-style mod that adds Spears, expands on Shields, and reworks melee combat & mining tools.
Sanity: Renewed
Brings the sanity mechanic from Don't Starve into Minecraft
Origins-Fantasy
An Origins Reborn origin addon for PaperMC servers, adding 10 new origins with a fantasy theme
CobbledLoot [Cobblemon]
A more lightweight version of PokeLoot, featuring small loots that are scattered around the world that give you a reward!
ServerPress
ServerPress is a multiplayer news mod for roleplay servers with a newsroom GUI, reporter accounts, article publishing, search, follows, bookmarks, reactions, image uploads, and admin moderation.
ArmorTweaks
Different armor and damage mechanics that make make survival more suitable for PvP.
Aspects
Aspects is an Origins inspired modification that adds unique Aspects with upsides, downsides and abilities
Call Your Cat
Easily call (whistle) your cat with a goat horn to teleport it to you
Origins-Monsters
An Origins Reborn origin addon for PaperMC servers, adding 6 new origins and 4 variants, themed on Minecraft monsters
All The Totems
A Fabric mod that enables the use of every item as a Totem of Undying
Throwable Fire Charges
Adds a new item called the fireball which can be thrown similar to the fireballs in hypixel bedwars.
Cactusfix
🌵 Cactusfix is a mod for FabricMC which provides multiple fixes for cacti.
Freezing Enchantment
New enchantment for swords that's apply slowness to the victims!
Survival Weather Control
Allows you to summon a thunderstorm using the classic altar used to spawn herobrine!

True Survival
True Survival Mode is a comprehensive set of 1.21+ datapack features that aim to overhaul Minecraft's survival mode. It tackles difficulty and progression through means that don't disrupt Minecraft's regular gameplay, while also providing new adventures!
Altar SMP
Legendary weapons plugin for Minecraft 1.21.x Adds powerful legendary weapons with custom textures and abilities to enhance your SMP experience.

Simple Damage Indicator
A damage/healing indicators datapack.
Charged Mobs
Why is only the Charged Creeper affected by lightning?
Highly Customizable Damage Numbers
Adds damage indicators with a wide variety of customization options and the ability to change the font of the numbers via image loading.
Desertification
Adds an "infectious" desert to your world (that will not spawn on its own). This desert can also "cleanse" other infections. Contrary to most infection mods you can live in this desert.
Hardcore Revive+ [OLD VERSION]
An add-on to your world that allows you to revive your friends in Hardcore Mode. Discontinued -- Use the new Hardcore Revive+ instead.
Useful Snow Golems
Snow Golems do real damage to hostile mobs!
Level Z - Elemental Wizards
A LevelZ Addon for the Elemental Wizards mod.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
MagicAbilities
A plugin that adds magical powers to minecraft!
Dimensional Tears
A revamp of Nether Portal mechanics and End terrain generation
Target Dummy
Craft a target dummy and test your attack damage!
Sable: True Impact (For Create: Aeronautics)
Experimental physics-based collision damage for Sable and Create Aeronautics structures, with terrain destruction, cracking, and early fracture behavior.
Bombs by Juix
Datapack adding a few unique & custom TNTs
HyphaPiracea
Channel the Garden's Rot; Steal the Works of the Worlds; Bridge the Gap
Cape Provider X (also PiCapes Mod)
Fork of Cape Provider Mod with upgrades by xsyanic and extended providers (PiCapes, Cosmetica, SkinMC, etc.)
PortalGunMod
Portal‑style traversal for Fabric 1.21.11 with custom sounds, clean visuals, and momentum‑accurate teleportation. Early release—updates coming as the mod evolves.
Just Boss Swords
Just a mod that lets you borrow the powers of the different boss
Mace's Origins
Welcome to Mace's Origins! My take on the origins mod for newer versions, different guis & more origins!