Minecraft Java 1.21 Mods
Browse 124,269 free mods for Minecraft Java 1.21 — popular picks include Halbast PVP Modpack, Expanded Adventures: Vanilla+, Worlds Most Trash PVP Pack.
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Halbast PVP Modpack
A PVP Modpack For Minecraft PVP, with optimization mods and etc of pvp stuffs.
Expanded Adventures: Vanilla+
A Vanilla+ overhaul of Minecraft's exploration for 1.21.1.
Worlds Most Trash PVP Pack
a new texture to the swords that looks like the sword upgrade with each new upgrade to the sword

Planet - Border teleport
Border-teleport mod: teleports entities crossing world borders (±326) to opposite side. Perfect for 1:326 Earth maps. Open-source (remix allowed, but must keep code open).
CombatLog SMP
The ultimate anti-rage-quit plugin for hardcore SMP servers.
ServerChangelogs
Keep players up-to-date on server changes using intuitive, dialog-based UIs!
The Horizons
The Horizons Modpack elevates the vanilla 1.21.1 experience with stunning new biomes, a redesigned Nether, and improved animations. This optimized Fabric pack seamlessly blends immersive content with premium shaders for the perfect classic feel.
SlimyCat's Better Title
SlimyCat's version of MINECRAFT Title Logo
Stohun's Sky
Changes the Sun, Moon, and Clouds

ruby mod 2.0
this mod adds ruby,ruby items, ruby shield,ruby elitra,ruby mobs and worlds.this mod just works on java edition.have fun

donutbeds
its an plugin lets you use beds like donutsmp
WWG-Wierd World Generation
Turns the Overworld's terrain shape into towering, almost vertical stone and dirt cliffs, sudden cave-in shelves, and blocky mesa-like plateaus — a rough, chunky landscape reminiscent of early Minecraft world generation, built on top of modern noise-based
HackWatch
HackWatch is a client-side Minecraft mod that watches other players for signs of cheating and quietly warns you, so you can help get and understanding if a player is cheating.
Conway's Game of Life in 3D
This mod runs conways game of line in both 2D and 3D inside Minecraft!

Quick Redstone
This mod allows you to speed up redstone with a single command. Its like tick rate but it only affects redstone.

Cobblestone
Cobblestone can give you everything.
Low Fire TP
Replaces the old long pesky fire screen with the new lower fire screen!
EssenStaff
Advanced moderation system (Staff Mode, Vanish, Reports). / Sistema de moderación avanzado.
Velocity-Report
A lightweight Velocity proxy plugin for cross-server reporting. Server-side only, no sub-server setup needed.Fully supports both Simplified 支持Velocity代理端跨服举报,插件仅需代理服务器安装,子服无需安装。支持管理员/reportcd打开举报记录,可以标记玩家举报为已处理,支持SQLite、MySQL数据库,2.0.9版本已经支持English、简体中文等语言。
Simple Animated AxolotlBucket
This resourcepack make Axolotl in Bucket simple animated!
BetterLever
BetterLever replaces the default Minecraft lever with a sleek, modern 3D design.
Corruption.zip
Experience Minecraft as if your game's GUI textures have been corrupted by something... or someone.
Jes's Multipots
A Neoforge 1.21.1 Minecraft: Java Edition mod with the express purpose of merging potions together.
AntiJunk (Item Filter)
Stop picking up unwanted items like dirt or cobblestone! A highly customizable and user-friendly in-game GUI item filter. / Oyun içi arayüz sayesinde istemediğiniz eşyaları toplamayı engelleyen gelişmiş filtre modu!
ScoreboardActionBar
Custom Scoreboard In config.yml

Chroma
A Collection of code commonly used in Nitron's heavily rendering focused mods.
Regal PvP Pack
this texture pack adds features and textures on all items in the game, mainly inspired by the color green.
Pale Chests
A simple resource pack that reimagines the textures of regular and trapped chests.

ALMOST Normal
This is a Modpack for a better Vanilla experience. still works on server Fabric 1.21.11 Almost Vanilla
Classic Eggs
Bring back your beloved eggs!
CommandsMC mod
See what any Minecraft command does, live as you type.
Maikura Mining Tools
Specialized mining and exploration tools for Minecraft.
EBM's Werewolves - (Loups Garous)
Play “Werewolves” right in Minecraft with your friends! (Based on the French board game “Loups Garous”). A super fun game to spice up your online game nights !
Totem Assist
A customizable low-health overlay that warns you when you're in danger—client-side only, with adjustable color and duration.
SoulChest
Modern Paper plugin for creating protected death chests with GUI management, teleportation, XP storage, holograms, and inventory recovery, built for performance, reliability, and seamless gameplay.
Smallifium NeoForge
A fork of my other optimization modpack Simplifium that removes all of the QoF mods and just leaves the actual optimization mods.