Minecraft Java 1.21 Mods
Browse 45 free mods for Minecraft Java 1.21 — popular picks include Excessive Building, Faithless, Redstone Beacon Base [PurpurPack].
Updated daily
Excessive Building
Excessive Building is a mod designed to enchance the building experience while maintaining Minecraft's style.
Faithless
Faithful to vanilla, yet a complete overhaul! - Building, Redstone, Survival, PvP... All in one.
![Redstone Beacon Base [PurpurPack]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/136259.webp)
Redstone Beacon Base [PurpurPack]
Allows you to use redstone blocks as a block in a beacon base
Bits & Tweaks
A rather large collection of Texture/Model Tweaks that enhance the player's experience. Building, Redstone, PvP, Survival, you name it. | 1.8.9, 1.18.2, 1.19.4, 1.20.x, 1.21.x
More Security
This mod adds some technologies to protect your house.
All Of Utility 2
Redstone tech, carpet+addons, exploration, visual, QOL, building tools.
Better Redstoning
The Redstone Resource Pack is a custom Minecraft texture pack designed to make building and debugging redstone circuits easier and more intuitive.
Stellar Beacons
Gives the core of beacons an aura effect similar to the one seen redstone torches. Alongside making the obsidian base more prominent.
Hotkey Profiles
Hotkey Profiles is a client-side Fabric mod that lets you save your Minecraft keybinds as named profiles and switch between them instantly. Perfect for quickly swapping setups for PvP, building, redstone, or Elytra.
Arcforge
Arcforge is a bold modpack blending magic and mechanics, ancient and advanced. Whether mastering magic, engineering redstone, exploring new dimensions, or building grand cities—Arcforge gives you the tools to forge your path.
FPS Benchmark
Cinematic auto-benchmark for Minecraft. One-click Base run is built for everyone - 3 minutes, then a clean FPS results table (Markdown + JSON). 40 deeper stress tests cover particles, entities, redstone, lighting, chunks, memory.
Create: Building Dimension
A dedicated creative-mode dimension for testing Sable/Create Aeronautics contraptions in survival — build, light a portal, test freely, and come back with nothing lost.
Bare Wool
Simplifies Wool. Great for Bedwars and Redstone building
Create: Signalworks
Create: Signalworks is a small Create addon for building more varied redstone control systems.
redstone-refined
A redstone-focused modpack with building tools and performance improvements. Build complex systems lag-free.
McCastle's To the Skys!
Create Aeronautics holds a whole new way to apply amazing physics to your contraptions and world. To the Sky! is a mod pack that is centered around create aeronautics with a few additional mods to add to the experience for us nerds who love to tinker.
Peaceful Silverfish
Peaceful Silverfish lets silverfish spawn from vanilla infested stone even on Peaceful. Great for Create farms and contraptions, but works perfect in vanilla too. Includes an option to mute silverfish sounds so your base stays quiet.
Flatworld+ Updated
A Challenging Superflat Survival with Shaders, Redstone contraptions, and a whole lot of Building Blocks
Chill Songs To Build Doohickies To
This pack replaces 5 music disks with: "Bad Piggies Theme", "Building Contraptions", "The Housebuilding Song", "Ride of The Valkyries" and "Hardwhare Store". Made for Create Aeronautics.
Arcle's Medieval Containers Resource Pack (1.21.11, 1.21.1) – Middle Ages Theme
Arcle's Medieval Containers Resource Pack transforms the look of interactive blocks to match the actual Middle Ages. The pack replaces vanilla workstations, storage chests, and redstone parts with custom models based on real historical objects. It gives your world an old-school, rustic style that fits perfectly into castles or classic fantasy towns. You need specific […]
Build Paste Mod (1.21.11, 1.20.1) – 2500+ Instant Structures
Build Paste Mod introduces a new approach to using schematics by enabling instant placement of pre-designed builds. Structures from buildpaste.net, including houses, castles, and redstone constructions, can be placed quickly using the Build Placer item or the /paste command. Custom builds can be uploaded to a shared database, fostering a collaborative building community. Features: Instant […]
Actually Additions Mod (1.21.1, 1.12.2) – Build a Wireless Tech Base
Actually Additions Mod adds a large collection of machines, tools, food, and other useful items to Minecraft. This mod introduces an energy system based on Redstone Flux (RF) to power its many gadgets. Instead of using traditional wires, it offers unique ways to transport energy and items, such as special blocks and laser systems. You […]
Reden Mod (1.21.8, 1.20.1) – Ctrl+Z to Redo While Building with Redston
Reden Mod makes working with redstone in Minecraft easier and more fun. It introduces an undo and redo feature, allowing players to fix mistakes while building redstone machines by pressing Ctrl+Z. The mod also adds Redstone Version Control (RVC), enabling users to share redstone creations on GitHub and manage them like code. Block selection is […]
Redstone Beacon Base Data Pack (1.21.8, 1.20.1) – Power Up Your Beacons
Redstone Beacon Base Data Pack enables you to use redstone blocks as part of your beacon's base, adding a new layer of functionality to your redstone-powered creations. Features: Enables using redstone blocks in a beacon base. Also enables using redstone dust as a beacon payment item Screenshots: Redstone Beacon Base Data Pack Download Links For […]
Masa Gadget Mod (1.21.5, 1.20.1) – Elevating The Minecraft Experience Further
Masa Gadget Mod introduces a powerful all-in-one tool designed to assist players with building, automation, and general gameplay. Whether you're placing blocks, interacting with entities, or streamlining repetitive tasks, this mod provides a flexible and efficient solution. Features: Functions for building, redstone, and automation. Adjust settings to fit your needs. Simplifies complex tasks with intuitive […]
Ranged Pumps Mod (1.21.1, 1.20.1) – Power Your Base with Lava
Ranged Pumps Mod adds a special pump to collect large amounts of liquids from a wide area. It can gather water, lava, or even fluids from other mods. The pump uses Forge Energy to run, but you can change this in the settings. It also stops working if it receives a Redstone signal. The machine […]
Solar Flux Reborn Mod (1.21.4, 1.20.1) – Build a Sun-Powered Base
Solar Flux Reborn Mod adds a series of solar panels to generate Forge Energy (FE) or Redstone Flux (RF) for your machines. This mod provides a simple way to create power that works well with many tech-based modpacks. It comes with eight default tiers of solar panels, each offering more power generation, storage, and transfer […]
Blueprints – Prefabricated Structures Mod (1.21.4, 1.20.1)
Blueprints – Prefabricated Structures Mod allows you to instantly place pre-built structures into your world without the use of any complicated structures or any other hard-to-understand means. The mod currently offers 39 build blueprints for items like buildings, houses, machines, automatic farms, etc. Furthermore, you will get the ability to import 2500+ custom builds from […]
Logic Chips Mod (1.21.4, 1.20.1) – Building Smarter
Logic Chips Mod introduces logic gates as "chips" and includes a "chip frame" to manage these components. It aims to simplify and enhance the creation of complex redstone contraptions, making logical operations more accessible and visually intuitive. Features: Logic Gates as Chips: Adds various logic gates (AND, OR, NOT, etc.) as individual chips. Chip Frame: […]
RSkin Resource Pack (1.21.1, 1.20.1) – Texture Pack
RSkin Resource Pack is your ultimate high-version resource pack for PvP, redstone, and building enthusiasts! It features a stunning sky display, enhanced night vision, low fire for better visibility, and a transparent GUI for seamless gameplay. The pack not only improves performance during intense PvP battles but also enhances the aesthetic experience for builders and […]
Hopper Frame Mod (1.21.1, 1.20.1) – Hopper Item Filters Using Item Frames
Item filters are one of the most important things while building massive storage systems in your survival Minecraft world. But building item filters to automatically filter out and sort items can be an inconvenience as a lot of redstone is involved. If you do not want to spend time wrapping your head around redstone based […]
Custom Brushes Resource Pack (1.21.1, 1.20.1) – Texture Pack
Custom Brushes Resource Pack introduces nine unique brushes into the Minecraft game, enhancing your creative and building experience. Each brush offers distinct visual and functional elements, adding variety and utility to your in-game activities. • Iron • Gold • Diamond • Netherite • Lapis • Redstone • Emerald • Quartz • Amethyst Whether you're working […]
Litematica-Printer-Easyplace-Extension
This is Litematica Printer, but it tweaks easyPlaceMode instead of offering separate printing mode options. The main purpose of this printer is building most of the redstone contraption safely, without activating it.
BuildingItem
BuildingItem is a powerful Minecraft plugin designed to revolutionize your building experience. It allows players to save, manage, and instantly generate complex structures with ease. Whether you're building houses, castles, or intricate redstone contrapti
Iron Decor
Adds new iron building blocks.
Bits And Tweaks
A rather large collection of Texture/Model Tweaks that enhance the player's experience. Building, Redstone, PvP, Survival, you name it.