Minecraft Java 1.21 Mods
Browse 24 free mods for Minecraft Java 1.21 — popular picks include Ultimate Skyblock Resource Generator, Smelt All Stone Blocks in Blast Furnaces [Fabric/Forge/NeoForge], Audaki Cart Engine: Faster Minecarts / Balanced for Survival / Vanilla Carts Improved.
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Ultimate Skyblock Resource Generator
The Ultimate Solution for Skyblocks: Cobblegen, Gravel, Sand, Dust, Ice, Snow, Mycelium, Obsidian, Dirt, Grass, EndStone, NetherRack, SoulSand, Quartz, Clay, GlowStone and RedStone Generators
Smelt All Stone Blocks in Blast Furnaces [Fabric/Forge/NeoForge]
Blast all types of stone including Netherrack or Quartz, fully configurable
Audaki Cart Engine: Faster Minecarts / Balanced for Survival / Vanilla Carts Improved
🤩 Fast Minecart! Configurable Speed. Balanced for Vanilla/Survival. 100% glitch-free and compatible with all Redstone. Works high-speed with slopes/inclines/curves. Only vanilla track/carts needed. Can be added and removed at any time
[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: Sound of Steam: Tuning Wrench
Adds a wrench for automatically setting the channels of redstone links for Sound of Steam Pipe Organs. Works with survival mode.
AnvilCraft: Gravity Technology
The mod is an anvil-centric vanilla survival expansion.
Hardcore Night Vision Goggles
Goggles with limited night vision and an on/off key bind
Reinnovation
Adds new redstone blocks made from vanilla materials to allow for more automation.
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.
Redstone Power Enhanced
Redstone Power Enhanced is a mod that aims to enhance the creative experience in minecraft with new redstone blocks.
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.
Fiber-Optic Cables
Adds a fiber optic cable, used to instantaneously transfer multiple redstone signals within a one block space.
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.
Block Breakers (Pickaxe Block)
This vanilla friendly datapack adds the Block Breaker, a new redstone block!
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.
Performance Optimization Patch
A performance optimization patch bundle, suitable for all vanilla survival players and redstone players.
Player Detector
Redstone block that detects if a player is standing on it
Extended Redstone
A mod that adds more redstone blocks with unique functionality

More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
Craftable Creakings
This simple data pack allows one to craft a creaking egg in survival! Now you can build redstone machines that activate simply by looking at a creaking that doesn't despawn! (The creaking will not despawn if named)
ShrinkRays
Scale the player in survival with three new blocks!
Create - World in Motion
A Create-focused modpack for Minecraft 1.21.11, centered on mechanical automation, moving contraptions, and creative factory building in survival.
Little Big Redstone Mod (26.1.2, 1.21.1) – Build Massive Redstone Circuits
Little Big Redstone Mod lets you shrink huge redstone circuits down into a single block. It adds a special Microchip block where you build complex logic systems that connect to your redstone, items, fluids, and energy. Features: Microchips: Places all your redstone logic inside one block's menu instead of taking up space in your world. […]
Create Sound of Steam Tuning Wrench Mod (1.21.11, 1.20.1) – Tune Pipe Organs
Create Sound of Steam Tuning Wrench Mod adds a helpful tool for the Sound of Steam mod. This mod gives you a special wrench to set up your pipe organs automatically. Instead of manually changing the channels on every redstone link, you just right-click the pipes. It works perfectly in survival mode by taking the […]