Minecraft Java 1.21 Mods
Browse 273 free mods for Minecraft Java 1.21 — popular picks include GraveBox, Condensed ink (Iron's Spells), Guess The Block Minigame.
Updated daily
GraveBox
A plugin that creates a death chest upon death.
Condensed ink (Iron's Spells)
Condense the inks from Iron's Spells to save space and keep your chests organized
Guess The Block Minigame
Tired of building a minigame all by yourself? Bored of playing minecraft too? A new minigame now awaits you!
Coblemon:Expierence Boost
ExperienceBoost — Global XP & Shiny Boosts for Server Events with OP-Controlled Items! ExperienceBoost lets server admins easily trigger temporary global XP multipliers across the entire server—perfect for events, celebrations, or special gameplay moments
Magic Sorting System reworked
Want a good and efficient sorting system but don't have the time to build an complicated redstone sorting system? Then this datapack might be for you.
Waystones Plus
This project reworks Waystones UI to make it more user friendly
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Hat Club
Purely server-side or singleplayer. Dyeable, enchantable, repairable, protective hats with fun acquiring mechanics.
Mechanical equation GUI Add-on for Sophisticated Backpack mod
This is an add-on for Mechanical Equation GUI pack,It made unique textures for most of the GUI images of Sophisticated Backpack mod.
Geode Mania
Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!
Replicated Integration
Replicated Integration is a compatibility addon designed to expand Replicated material calculations to recipes from other industrial, magical, and storage-related mods.
Slimefun United
A modern and organised continuation of Slimefun’s legacy. Slimefun United transforms your server into a modpack-like experience with backpacks, jetpacks, reactors, electricity, automation and countless new systems.
Xhomes
Xhomes is a Minecraft plugin that lets players set and manage homes with an intuitive GUI. It includes teleportation countdowns and movement cancellation. Players can now teleport directly to a home using `/home <homename>` or browse their homes in a s
Reforgery
An experimental datapack that adds weapons of mass destruction such as orbital strikes, black holes, the death note and more...
Magician's Hat
A new item used to magically store and expel items as well as become a fashion piece
XP Vial
Magical glass bottles that allow you to safely store and retrieve your experience points.
Infinite Inventory
A Minecraft mod that adds a magical sack with truly infinite storage capacity.
Wisp & Willow
A magic mod, inspired by occultism, botania, and thaumcraft.
Advanced Cauldron
Advanced Cauldron enhances cauldrons with potion storage, brewing over campfires, dyed water with color mixing (Bedrock parity), and tipped arrows.
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
Cave Born
Adds new ores, materials and powerful gear. Mine Bronze in the End, find rare Titanium in the Overworld, and craft Netherite Titanium equipment — the strongest in the game!
CatchBall
A plugin that make entity to be catchable
OpenJavascript
Create custom menus, commands, plugins, systems, basically anything with scripts in Javascript! With multithreading and Folia support! Everything is fully documented in the documentation!
Magic Storage [1.21.1]
✨ Using Magic Storages is a new way to store items in Minecraft. ✨
Magnets by Juix
Datapack adding magnets that attract items around you
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
NoNether Plugin
Prevent players from entering the Nether.
More Villages Datapack
Adds more villages to the game.
Chest Spawn
ChestSpawnPlugin is a flexible and fully customizable plugin for Paper Spigot Bukkit Purpur servers that automatically spawns random loot chests at configurable intervals and locations.
Gooners Go Beyond
A modpack made for multiplayer or single player with more dimensions, weapons (guns, tanks, plane turrets, new swords and spells), many more ores and mobs, also more technical aspects such as chemistry, better storage, planes and helicopters.

Magic Bundle
A variant of bundles found in rare structures that grants or robs the user of much more that they asked for...
Mnemonics
Simple and Ergonomic XP storage
Nimbu's: Pocket Dimensions
A mod that adds simple, customizable pocket dimensions that can be accessed from anywhere.

The Mad Hatter
Submission for Neoforge 1.21.1. Adds a magical hat that can store near-endless items and retrieve them.
Strixun: Trials of the Wild
Hardcore survival modpack with ~300 exploration, magic, combat, and world‑overhaul mods. Includes Rituals for totem magic, buffs, farming, and defenses, plus Compressy for massive block storage. Optional no‑regen/no‑raids for true hardcore players.
Bloodline Smp
Bloodline SMP Client Mod adds the custom Bloodline HUD, ability icons, cooldown overlays, and rebindable keybinds used by the Bloodline SMP server. It also syncs bloodline state and powers the client-side visuals required for the full gameplay experience.