Minecraft Java 1.21 Mods
Browse 3,322 free mods for Minecraft Java 1.21 — popular picks include Lodestone Redstone, Underground Unlimited, Redstone Capacitor.
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Lodestone Redstone
Adds wireless redstone using levers, lodestones and compasses!
Underground Unlimited
A cool mod that modifies the underground adding new blocks, new structures, and more. Hop into the deep unknown. Be careful though all who go only some come back.

Redstone Capacitor
Adds a Redstone component inspired by capacitors
CaloCraft 2
CaloCraft is a combination of mods to create a personally satisfying Minecraft experience. It comprises of 240+ Mods and Resource Packs, ranging from world gen changes to new items and mechanics. 2.0 currently in Beta and anything is subject to change
Create: Easier Sheets
Introduces the Sturdy Hammer a tool that lets you manually press any valid ingot into a sheet on a Depot without needing kinetic energy.
Cart Speed
Customize individual Minecart speeds, or global speeds, with a simple command. Ops only by default.
Tiny Auth
Authentication system that allows you to use almost all characters (0-9, A-Z) with dialogs.
RED OS
RED-OS is a technological suite for Minecraft, it is a unified operating system for your world.
Max Ping
Max Ping kicks player's with a ping of 50 or higher by default, you can change this value in the config file.
Create: CABIN crafts
Port your beloved mechanics from Create: Above and Beyond In Newer to even newer version!
Verdant Mulch
Mulch that harvests and replants your crops!
Everything Slime
This mod makes every block in Minecraft bouncy, like slime.
Stellar Depths
Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.
Worthify
Fast, modern item worth & pricing system for Minecraft servers
MinecraftContentExpansion
New early game, new materials, new mechanics, new tools and much more!
AeroOreGen
Makes cobblestone generators generate Create resources like Andesite and Copper, compatible with Create: Aeronautics and customizable!

The Claw Datapack
Extend the range you can place/brake blocks with a new tool! Inspired by the Crab Claw, introduced my Mojang in the 2023 Mob Vote.
Polydex2REI-Forked
Converts Polydex recipes to work with REI!
Block Extractor
Extract resources from blocks!
Engineer
Engineer datapack 1.20.5 and more is a datapack designed to add new mechanics for automation and mechanics. It adds an automatic block breaker, an end hopper, "block to block" (allows you to transform blocks) and other things.
AntiElytraTarget
A Simple Plugin AntiElytraTarget For Your Servers. Made By Worty1
MultiWeather
World specific weather utilities
MultiTime
World specific time utilities
Cobblemon: Snackbar SMP
The Cobblemon & Create modpack used on the Snackbar SMP, combining Pokémon-style gameplay with Create’s mechanical systems and automation.
G-Lottery
A plugin desinged to add a lottery to your server. A perfect addition to your economy !
Google Gemini AI God
a free-tier google gemini based version of the ChatGPT minecraft roleplay bot with some additional upgrades.
AE2 Terminal Mouse Wheel Scrolling
(Client side) Scroll through your installed terminals using the mouse wheel!
Redstone Frequencies
Wireless Redstone with a clean and simple Frequency method
Triangulate
Triangulate lets you easily estimate the coordinates of a target using Triangulation
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✨
Tabula Vista
High End Tab Plugin , Placeholder Support, Color Support, Hex Color Support
BDEngineImport
A Packet-based Import Library for the BDEngine editor
StatsSigns
StatsSigns expands StatsMod to sign displaying
PatternLogin
An authentication plugin for offline mode servers
简单火力覆盖 Simple Firepower Coverage
Fill the artillery launcher with missiles, then launch the artillery indicator, and saturation artillery coverage will follow
PlayerCodes
Player Codes lets players share their own live codes with friends and the community. Players must explicitly opt in to publish their codes, so everything is consensual and transparent. Perfect for servers, content creators,