Minecraft Java 1.21 Mods
Browse 3,387 free mods for Minecraft Java 1.21 — popular picks include Cree's Dynamic Doors, Ultimate Spear, NoMaceEnchant.
Updated daily
Cree's Dynamic Doors
Double doors will now open and close together or synchronize if one is open and the other is closed!
Ultimate Spear
Adds the Minecraft Live 2025 Spears with a focus on keeping accuracy on the features we currently know!
NoMaceEnchant
❌ Blocks the Enchantments of the Mace
Hopplet (Hopper Filters)
Expressive hopper filtering, written as plain text. The most powerful plugin in this domain. Filter by any item property. Extendable via a strong developer API.
Kinetic Weaponry
Small equipment mod made for ModFest 1.21!
Doctor Doom Mod
A mod/datapack that adds Doctor Doom's Abilities and Equipment into the game.
![Lantern [Anti-Xray]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/148171.webp)
Lantern [Anti-Xray]
Advanced X-Ray detection using machine learning
Glowbrick's Printing Press Mod
This mod aims to allow enchanted book duplication. This is achieved utilizing the past technologies of a printing press. Glowbrick's Printing Press Mod was made for ModFest 1.21.
Lava Source
Renewable lava sources that generate infinitely, enabling automation and sustainable fuel systems. [1.21.9 - 26.2]
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4
Radiated: A Crappy HBM_NTM Rewrite
A mod about technology, atomic science and nuclear weapons
Military Tanks & Helicopters
Drive tanks and fly helicopters with full interior views, weapon systems, and fuel mechanics
Aeronautics x Protomanly
Bridge between aeronautics and protomanly weather
Technology Valley
Unusual Technology modpack with Magic & RPG, also with Custom mechanics, many Quests & Changed recipes!
Light Machine
Automate torching up your world!
Can I sit here?
You can sit everywhere now! Just look down and shift for sit!
![[MTR] Mezzo's Money & Balance Addon](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/277327.webp)
[MTR] Mezzo's Money & Balance Addon
Connects Mezzo's Money mod with the MTR mod. Now you are able to charge your balance with real money; not emeralds
ManualTotem
A simple mod that helps with manual totem placement by automatically moving your cursor to a totem when you open your inventory.
PackTimer
Timer with many features and an simple interface I will add more features to it soon™
More Biome Coloured Blocks
Moss, Azaleas and more made biome coloured!
G1axInventoryScale
A Minecraft Fabric mod that lets you customize the size of your inventory and container screens independently from your GUI scale.
Custom Areas
Take full control of your server! Custom Areas is a powerful, server-side mod that lets you create and manage protected zones through an intuitive, 100% GUI-based interface. Define granular rules with a powerful flag system, restrict area access wit
Just Enough Skills
Just Enough Skills enhances gameplay with dynamic abilities like dashing, healing, gliding, and more, offering new ways to explore, fight, and survive. Perfect for adventurers seeking fresh mechanics!
Networks Terminals
A central ME-like UI to access all items in your storage system easily
Plasmo Voice Walkie-Talkie
Talk to other players on same frequency with no effort.
Project: Explosive
Adds realistic explosions while keeping Minecraft’s vanilla style.
Fair Trade
Fair Trade mod adds currencies and other trade utilities, which would be useful for Multiplayer.
ChallengeTimer
an advanced timer/stopwatch for challenges etc
Hydraulic Machinery
Turn pistons into industrial machines with hydraulic presses, automation, and configurable vanilla-friendly mechanics.
Water Regeneration
Gives regeneration while you are in water.
BlockShips
build ships or airships out of blocks and sail or fly them smoothly - without client side mods or resource packs! Uses display entities to allow non-grid-aligned blocks
Replant+
A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.
Cobblemon BattlePlus
A server-side Cobblemon battle system mod for creating Battle Factory, Battle Tower, Battle Points, and configurable Trainer NPC battle content
HrdaNick
Easily change your nickname with skin!
uTimber
Knock down whole tree with breaking one log.