Minecraft Java 1.21 Mods
Browse 44 free mods for Minecraft Java 1.21 — popular picks include [SUC]Surival Useful Circuit生电全家桶, Create Train, Redstone Sound Slider.
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![[SUC]Surival Useful Circuit生电全家桶](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/9472.webp)
[SUC]Surival Useful Circuit生电全家桶
生电全家桶 An advanced Minecraft survival redstone and automation modpack featuring Carpet and Masa mods.
Create Train
Main about Create and its trains,better player models and the maids,those who like above will definitely want to download it! WARNING:don't let the Maids drive the Trains(or the other Contraptions), there may be unforeseen problems! BUT NOT ONLY THEAE.
Redstone Sound Slider
Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.
GD656极致生电整合包
An ultimate power generation integration package specially designed for Redstone players
AsguhoServer
Simply a really optimized server with the tools you need to build awesome contraptions. This modpack include mods such as carpet, syncmatica etc.
Redstone Essentials
The most essential mods for Technical Minecraft.
Redstone Helper
Mod which must you to help with redstone!
All Of Utility 2
Redstone tech, carpet+addons, exploration, visual, QOL, building tools.
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.
AntiRedstoneLag
prevents lag machine in server
PowerStones
Overlapping wires of Redstone, Bluestone, Greenstone and Yellowstone
Moar Redstone
The Moar Redstone datapack adds a bunch of new Redstone devices to the game, from wireless Redstone to configurable timers in a single block.
Redstone Additions
Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )
create aeronautics (update) modpack
(update)A Create modpack with Create Aeronautics, focused on automation, machines and flying contraptions.
Redstone Lectern
Optimized for Redstone: with a permanently attached 15 page book, visible page numbers, and click to turn pages
Create: SatisFactory
Master the art of automation with a high-performance modpack. Featuring Create Aeronautics, this pack transforms your machines into dynamic physical contraptions with real-world momentum and interaction. No bloat, just pure engineering.
RedProtect
Prevent redstone clocks that might lag the server
Copper Wiring
Lightning Rods can function as electrical wires, transferring power in ways Redstone cannot! Circuitry has been transformed!
![AntiRedstone| Advanced Redstone Lag Prevention [1.18 - 1.21.4]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/149097.webp)
AntiRedstone| Advanced Redstone Lag Prevention [1.18 - 1.21.4]
A performance-friendly plugin that blocks all redstone activity on your server and reports coordinates of redstone spam attempts.
![2Gather [Aeronautics]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/228022.webp)
2Gather [Aeronautics]
A Create-focused modpack with advanced redstone logic using More Red, magic through Ars Nouveau and Apotheosis, engineering, automation, airships, exploration, and carefully selected mods for a polished, high-performance experience.
LaggyChunkFinder
A simple , light weight user friendly tool to find the laggiest chunks in your Server. Based on Tile Entity (chests, hoppers, shulkers etc), Entity and Redstone activity
![红石生电冒险优化[Redstone Power Adventure Optimization]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/112765.webp)
红石生电冒险优化[Redstone Power Adventure Optimization]
融合了多种优质模组与资源包，让玩家更容易上手mc，另外增加了红石生电优化，增加其实用性，以及游玩体验.(It integrates multiple high-quality mods and resource packs, making it easier for players to get started with MC. Additionally, it has optimized the generation of redstone electricity, enhancing it)
TC VeinGlow PC
An advanced vein mining mod with radial menu, RGB-customizable block outline highlighter, custom mining shapes, and a skill system for harvesting, tree-felling, and liquid handling.
Opti Tech
A client-side modpack for technical redstone players
紅石生電整合包【Redstone Survival Modpack】
為奶油芝士伺服器訂製，單人亦可使用 This modpack customized for the ButterCheese server, also suitable for singleplayer.
Cobbromon
This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.
Matt's Fat Pack
Explore mystical dimensions, conquer legendary bosses, and engineer impossible contraptions.
Simply Redstonized
A performance-focused redstone modpack made with my favorite mods and resource packs.
Performance Optimization Patch
A performance optimization patch bundle, suitable for all vanilla survival players and redstone players.
Chunk Border Redstone Highlighter
A client-side performance debugging tool that highlights redstone components sitting on chunk borders — the #1 cause of server lag. Toggle with one keypress (O).
UltClearLagg
Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
Lagmanager
This plugin monitors redstone entity lag and keeps your TPS high through optimization ideal for server admins.
NoRedstone
Disable redstone components in specific worlds
Skybound Chronicles
A private modpack for me and my friends, built around Create and Create: Aeronautics at its core — featuring airships, mechanical contraptions, and a handpicked selection of mods for an immersive experience.
computer_6
A lightweight redstone optimization pack