Minecraft Java 1.21 Mods
Browse 2,726 free mods for Minecraft Java 1.21 — popular picks include Fight Back, Mainworld, Fly Potion.
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Fight Back
Fight Back against Horror Mods with OP armour that grants effects like flight and invulnerability, tools that one-shot and insta-mine everything, a new dream-like dimension, new achievements, and more!
Mainworld
Mainworld... mod introduces several new mechanics,items,and armor. it also adds about 30 diffferent structures,each suited to its own biome,as well as new biomes. Explore the world and discover its fill potential, know that they are always watching...

Fly Potion
Plugin for 1.21 Paper, Bukkit, and Spigot servers that lets players brew potions of flight (Elixir of Flight) using the dried ghast.
Propulsion
A Paper/Spigot plugin that turns fireworks fired from crossbows into movement boosts.
Toasts Abilities
A data pack that adds 7 different custom classes, each with a ability, ultimate and a passive to improve combat. They are: Wind, Electric, Space, Sculk, Life, Metal and Oceanic
Eternal Enchantments
RPG-inspired enchants brought into the game
PlayTimeLimit
A Minecraft Plugin wich Limits PlayTime
Grindstone Prospecting
Transform gravel and sand into valuable resources using grindstones! Right-click grindstones while holding these materials to prospect for rare ores, gems, and metals. Features exciting particle effects and rare diamond discoveries with fireworks!
DeathWay
Decide the reason of death
Warp Totems
Adds new end-game items such as the warp totem to the game.
Soul Potion
This mod allows you to create a potion that teleports you to your death point.
Forged in Blood
A third life mod with a dark twist.
我的伙伴
本模组添加了一只名为"我的伙伴"的宠物狐狸。它会认你为主、跟随你冒险、免疫所有伤害,还能帮你打开末影箱。登录游戏时自动获得,无需合成。This mod adds a pet fox called 'My Companion'. It recognizes you as its owner, follows you on adventures, is immune to all damage, and can help you open Ender Chests.
NexusClasses
NexusCore addon that forces players to pick a class on first join via a GUI, freezing them until they choose. Class switching costs configurable items.
Redcraft-TPA
Redcraft_TPA is a lightweight, configurable teleport-request plugin featuring clickable accept/deny actions, teleport warmup countdowns, and automatic cancel on move or damage.
Aloo Skill SMP
AlooSMP is a custom SMP plugin where each player bonds with a Potato Spirit companion (called an "Aloo") that gives them a unique class identity with passive buffs, 9 active abilities, and a skill progression system.
UltimateSouls
When you kill your enemies you capture their souls and become strong ......
P_Comandos
A plugin for commands in items!
Opgrass
This datapack makes that grass drops op items
Dok's Enchants
Adds new enchantments: Apprehending and Endless Suffering.
LavaFishingRod
Attack with fishing rod through lava will provide burning effect to attacked player
TSLzone
A zone damage plugin compatible with Folia.
sibliths raindance
Change the weather with a hop and a jump! Forward, back, left, right, sneak and jump, or you can freestyle!
Somewhat Warm
Super Hot in Minecraft
Which Pot?
Which Pots adds a new potion storage container. It holds and manages all your potions so that you can keep looting!
Anti Magick: The Twilight Forest
Optional Anti Magick integration that suppresses Twilight Forest portals, magic abilities, summons, and selected boss actions
More Bounce
This mod adds many new bouncy balls to minecraft for example the house ball spawns a ball wherever it lands its a fun goofy mod that you can add to your sever for more fun. This mod is to help minecraft on expanding there balls for not just having snowbal
Dirty Detect
A plugin that allows you to detect hack clients using the Sign Translation 'Vulnerability'. Most of the newer clients patched this, but it works flawlessly for older clients.
Mixed crafts result
With this data pack, all your crafting results will be mixed up.

AllMaterialsAllowed
This is a mod based on the image meme of Minecraft streamers locking in to craft things that don't actually exist in the game. Basically, it allows you to craft a large assortment of items using any material.
Walk Particles
Simple plugin make editable particles for steps
RandEffects
A datapack that adds permanent random effects to all server members from a list of effects
Pitagna mod reborn
an open-source version of Pitagna mod that has updates and diverges from the original
Elemental Mob
Elemental Mob gives creatures elemental identities, combat traits, themed status effects, resistance potions, and elemental enchantments.

dupe_hack (April Fools)
Adds minecraft:dupe_hack from the April Fools 'Voting Update', with some changes.
Durability Reduction Limit
Server-side NeoForge 1.21.1 mod that caps durability loss per damage cycle, defaulting tools and armor to losing at most 1 durability point.