Minecraft Java 1.21 Mods
Browse 2,008 free mods for Minecraft Java 1.21 — popular picks include Greenwich Knight Armor, Iron Kingdoms, Music for myMEDIEVAL2 pack.
Updated daily
Greenwich Knight Armor
Replaces the diamond armor texture with 16x16 Greenwich knight armor
Iron Kingdoms
Official modpack for Iron Kingdoms server
Music for myMEDIEVAL2 pack
Music for myMEDIEVAL2 modpack(not out yet)
Bit more nether
Do you wish for a bit (and just a bit) more of nether? Well here it is, a mod that adds a little dungeon and a bit more mobs to the nether, including a Ghost that has the chance to drop Netherite scrap, to a little fire, and so more on!
No Music Discs from Creepers
Removes music discs from creeper's loot table when killed by a skeleton. You can find all C418s music discs in dungeons now.
Roguelike Items
Adds dungeons with items that provide passive effects while in your inventory.
Rousing's Dungeon
This dungeon is being created as a passion project and has some cool features like: randomly generated structures, custom advancements, and a custom loot table
New Haven
New Haven is a medieval geopolitical modpack built around nations, trade, warfare, exploration and large-scale engineering.
Be happyy
🎮 Be Happy is a NeoForge 1.21.1 modpack for long-term survival with friends or solo. Build flying machines with Create Aeronautics, automate factories with Mekanism & AE2, fight Cataclysm bosses, explore new biomes & YUNG's dungeons — not a vanilla pack!
Chunky Dungeons
A basic dungeon generating plugin for your dungeon needs.
Kaizo Knight Boss Theme for Ender Dragon
the vanilla boss theme is kinda lame ngl
Farkle - Kingdom Come Delivrance
This project add a working Farkle Dice game inspired of Kingdom Come Delivrance

X-Tra Attacks
Tears of the Kingdom-inspired combat overhaul: directional attacks, 4 custom weapons, and 3 new enemies (Bokoblins, Moblins, and Evermeans).
HollowScanner
HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a handheld scanner item to help players detect nearby caves and dungeons underground by providing vibration feedback via sounds and particles.
Diamond Gear+
Expand your world with this mod! It adds an upgraded "X" tier diamond armor set, a powerful Diamond Sword X, and a brand-new Diamond Shield. Explore the world to find a massive, rare Castle spawning in the Plains, and trade your emeralds with villagers to

DungeonTrials
Wave-based dungeon challenge with rewards and join system.
The Dungeon
Adds a custom pre-made dungeon dimension to your server.
SpawnerHUD
Aim at a monster spawner and a small HUD instantly tells you which mob it spawns — read straight from the spinning mob inside the cage, so you know at a glance whether a dungeon spawner is worth keeping or breaking.
SMP Templates - Adventure and Dungeons
Enhance your exploration and add some thrilling dungeons to your FabricMC server.
sacdj's The Dungeon additions
A pack made for the game The Dungeon on the DiamondFire server for QOL. Note requires CIT capable mod!

Arsenal Roulette
Arsenal Roulette adds an Arsenal Dungeons Forge that lets you roll powerful dungeon-style enchantments onto weapons, armor, and books with animated effects and combat abilities. Build the forge through the Assembly Table, power it with resources and fight
SoftBrown-KnightLib+companions
Added vanllia-like SoftBrown material and UI to KnightLib and companions
Laputa Golems
Reskins and remodels the iron golems into the golems seen in the "Castle in the sky" film.
ThicMobKai - Dungeon, Boss and Mob RPG System
A premium dungeon, boss, and mob progression plugin with EN/VI support.
Epic Knights x Vanilla Tweaks' HD Shields
Swaps out the regular pixel consistent shield banner pattern textures with their regular banner counterparts, so you can see your banner patterns on shields in all their glory... Merged with Epic Knights Better Banners!
Knightartorias7's Dimensions
This is a mod where there are more dimensions with the block that the portal is made of, that dimension is made out of.
Fandom CIT
WIP! CIT from a many fandoms! Demon Slayer, Undertale (Last Breath), Hollow Knight, The Quintessential Quintuplets & many more coming soon!
Kingdom Network
A modpack created for Kingdom Network server.
Secret's of the Stone
This story is yours to uncover in the stone, explore a new dimensions, craft new help, and reveal what lies in secret. (Exploratory dungeonlike + story)
Unified: Dungeons Arsenal
A Branch of the Unified Mod that adds in weapons from Minecraft Dungeons and the ability to add cosmetic skins to a number of the vanilla weapons/tools
FDs SkyDungeons LowPoly
Resource pack that simplifies dungeons textures and highlight possibly needed textures.
Shwarma Adventures
An adventure-focused Minecraft modpack featuring exploration, bosses, dungeons, enhanced world generation, and a balanced progression system.
Fairly Pixels | Battle Scythe | ItemsAdder Addon
This is a free ItemsAdder addon that adds high-quality 3D medieval weapons to your Minecraft server.
Maze – The Ultimate Dungeon Maze Experience [1.21 - 26.1.2]
The ultimate experience for creating mazes with traps on your server
Ravenborne
Class based medieval fantasy rpg mod based by Ravenborne theme!
Tenebris - Advanced Dungeon System
Free advanced dungeon system with bosses, keys, rewards, stats, MythicMobs and PlaceholderAPI suppor