Minecraft Java 1.21 Mods
Browse 501 free mods for Minecraft Java 1.21 — popular picks include Pepsi's Auto Bridger, Frictionless Ceramic (VS/Create:Aero), Minecontrollers.
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Pepsi's Auto Bridger
Automate bridging with a new machine that generates and places cobblestone in any direction
Frictionless Ceramic (VS/Create:Aero)
Adds blocks with extremely low friction, useful for boat roads and VS/Create:Aeronautics contraptions.
Minecontrollers
More red add-on for programmable logical redstone controllers
Crossroads
A tech mod with the goal of making automation interesting. No one block solutions, just simple pieces that combine to make complex contraptions. Crossroads is a mod where you make Rube Goldberg machines, except they're the simplest way to do things.
Re-Locate
Re-Locate is mod that adds new redstone-like Blocks based on Copper and Tuff.
CreateRadioactive
This Mod Adds New Biome And New Dimension And Adds 2 New Mines Ardiom And Ranium With These We Can Make Armor Or Items It Adds New Structures To New Biomes It Adds New Things Like New Tree Type And Adds Nukes Bombs
LED RGB
Adds colorful new lights for displays!
Redstone CG
A Minecraft Redstone mod that includes instant action Digital and Analog gates and wires with extended range, mountable on floors, walls and ceilings.
CobbleKanto Core
The core support mod for the CobbleKanto modpack, powering legendary events, puzzles and utility commands.
Sculk Redstone Components
Adds 3 Sculk Redstone Components! The Redstone Retainer, Shrieker, & Calibrator
CC:LiftLink
CC:LiftLink: Create & ComputerCraft integration for elevators. Manage floor calls, track real-time movement, and query states via a simple Lua API—all through one redstone contact. No complex wiring required. Designed for Minecraft 1.20.1.
CC: Create Redstone Link
This mod connects Create Redstone Link networks with CC:Tweaked computers.
Universal Keyboard Controller
Advanced Keyboard / Gamepad Controls for Wireless Redstone & CC: Tweaked Peripherals. Compact controller for your Aeronautics builds that doesn't require you to write in Lua!
Redstone Lantern
A mod that adds a Redstone Lantern as both a decorative block and redstone component
Create: Warnautics
Create Big Cannons add-on with redstone-launched aerial bombs, multi-bomb cassettes, sea bombs, land mines, cinematic blast effects, and optional Sable ship destruction.
Dispenser Minecarts
Adds minecarts with dispensers and minecarts with droppers, to enhance your contraptions in a vanilla fashion.
TFCtrough
A simple animal feeding trough mod for TerraFirmaCraft.
All Of Utility 2
Redstone tech, carpet+addons, exploration, visual, QOL, building tools.
More Commands Plus
Just install it to make your life easier. New commands New items that help you with various task also in debugging your game. Utility Helper plus
Ghost Gear
Go on your own paranormal adventure using ghost gear!
Redstone Manager
Control all your redstone switches from one place. Link all the levers and control them from a single block.
Create: Sensors
This aeronautics addon adds a few different redstone components focused on the new physics contraptions.
Create: Linked Thrusters
Addon for Create: Aeronautics that adds three kinds of thrusters with built in redstone link functionality.
Redstone-chan Cobblestone Generator
Add cobblestone generator to the game.
Brecher's Trainers - A Cobblemon Gym Mod
Mod that adds customizeable, Redstone-activated Trainer Spawner blocks for setting up your own Cobblemon Gyms!
BC (Better Cars)
A simple car mod.
CraftBook
CraftBook lets you create magically extending bridges, compact Redstone circuits, complex Minecart mechanics, and much more... — all without a client mod and fully customizable by the server.
OpenBlocks Elevator Renewed (Fabric)
Simple port of the OpenBlocks Elevator mod to Fabric 1.21+
Redstone Power Enhanced
Redstone Power Enhanced is a mod that aims to enhance the creative experience in minecraft with new redstone blocks.
Pepsi's Remote Lights
Link redstone lamps and copper bulbs wirelessly!
像素城_魔法核心整合包【PixelCity_MagicCore Modpack】
《像素城》魔法核心整合包（1.21.11版），专注生存红石工程。为自动化系统、多人性能优化及技术向Minecraft玩法量身打造。PixelCity MagicCore Modpack (1.21.11) for Survival Redstone Engineering. Optimized for automation systems, multiplayer performance, and technical Minecraft gameplay.
GUN CRAFT-A 239 INC PROJECT
Enjoy the gunpowder with a BooooooooMMMM!!!!!!!!!
ShieldGrid - Create Aeronautics & Big Cannons Compat
ShieldGrid protects your base, ships, and Create Aeronautics contraptions with energy shields that block arrows, mobs, and explosions.
Laseredstone
Redstone but we use lasers to transfer signals
Super Trims
A mod focused around providing a deeper endgame progression utilizing armor trims.
Magnetization
A Create: Aeronautics addon adding a full magnetism layer for Sable-driven contraptions: emitters that pull or push ships (electromagnets, anchors, tractor beams, repulsor coils, excavators), permanent and temporary magnets.