Minecraft Java 1.21 Mods
Browse 133,603 free mods for Minecraft Java 1.21 — popular picks include Simple Feather Client Integration, MHDF-Tools, BringBackBlocking.
Step by step: How to install Minecraft Java mods & modpacks
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Simple Feather Client Integration
Allows you to use server backrounds, discord activity, and more. Using Feather's server API.
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨

BringBackBlocking
OldCombatMechanics Addon that replicates 1.8.9 sword Blocking Animations
FarmingBlock
Its a block that will farm for you! Requires a mod that supplies power!

abnormally thin
A resource pack that replaces the bulky three-plane cross from the Team Abnormal's mods with the classic vanilla styled two-plane cross.
OldTooltips
Simple mod that brings back Minecraft Beta tooltips.
LeadAnyMob
Allows you to attach leads to any living thing.
Invisible Item Frames With Interaction Range Increase
No crafting required. This will give players invisible and visible item frames. Frames have enchanted effect, and provide buffs including increased block+entity interaction range in main-hand, and run speed in off-hand.
ItzMart's Performance (low-end edition)
Designed to enhance Minecraft's performance on lower-end PCs without compromising quality. Based primarily on Sodium.
PvPZones - autokit✅ fast-respawn✅ killstreaks✅ Skins ✅ Particles&Sounds✅
Perfect for lobby.
Personalized Favicon
The Personalized Favicon Plugin everyone knows :)
ArmorTrimEdit
Add/Remove armor trims on a piece of armor easily!
Melded - Modular Gear
Melded is a modular tool mod that allow you to make custom tools from a single crafting station, it also includes a challenge system that aims to make tier progression more meaningful.

Enchatned Golden Apple Texture
Adds a custom texture to the enchanted golden apple instead of using the golden apple texture.
True Light Shader
A Mid-end shader pack for Minecraft
Purple Combat Visuals
A simple vanilla-friendly Minecraft resource pack that changes cobwebs, bow animations, and crossbow animations to purple. Perfect for purple-themed gameplay, PvP aesthetics, and a clean visual experience.
Pearto / Teto Pear Over Apples
replaces the regular and golden apple with a pearto 🍐🍐🍐
strengthsmpasweapons
strength smp as weapons like the strength sword axe and so on and so on
Vanilla Atmosphere
A lightweight visual enhancement pack that makes Minecraft beautiful without no shaders.
Lobotomy Corporation - DaCapo
From break and ruin, the most beautiful performance begins.
Safe Tools
Prevents damageable tools and weapons from being used when they have exactly 1 durability left.
UltraStarterKits
Ultimate starter kit plugin with world whitelist cooldown specific permission kit and many more ....

OreoClient
a 'client' for minecraft. Not much. Its what you would expect from a hacked client, but on a datapack so you cant abuse anything on it. server side only.
elyutils
its basicly a utility mod with everything you need for elytrapvp and some more so yea
Gits And Shiggles
Funny gimmicky items. Used in my server but you too, can now experience the chaos!
RPG Extra Inventory
[WIP] Skyrim-like RPG inventory

Hidrix Crosshair
Improves the crosshair slightly for players who don’t like the vanilla one.
Anti.DC
This is the perfect low end modpack for people who both want the vanilla vibe but still able to PvP
Hud_vanilla pack
HUD_Vanilla Pack refreshes Minecraft’s HUD with colorful health, armor, and food bars. A glowing 7-color XP bar adds magic, while keeping vanilla’s familiar style modern, polished, and much more.
QuestMod
A mod that adds quests that can be completed by anyone
Mad Optimized
A lightweight optimization + QOL modpack.
Hewn
A growing collection of medieval-inspired building blocks, starting with connected wattle and daub. Perfect for rustic and historical builds.
Enda (Ena enderman)
A pack that makes enderman entity look like "Ena" from Ena series by Joel G
Lightened armor
Resource pack that cuts most armors to diamond armor in shape, including netherite armor item textures.
Better AntiChat
The AntiChat plugin helps maintain a clean chat environment by automatically filtering unwanted messages and punishing players. It fights against advertising, insults, and spam.
Environment+
Environment+ offers you a better experience by optimizing the game, adding QOL features and more!