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Minecraft Java 1.21 Mods

Browse 11 free mods for Minecraft Java 1.21 — popular picks include GrieferGames CustomBlocks, MaxOptimize, 像素城_魔法核心整合包【PixelCity_MagicCore Modpack】.

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GrieferGames CustomBlocks
1.21.4forge

GrieferGames CustomBlocks

Customblocks for GrieferGames and Bausucht Citybuild Server

10kdownloads
MaxOptimize
1.21.1fabric

MaxOptimize

optimization Bioelectricity Redstone Beautify

6.1kdownloads
像素城_魔法核心整合包【PixelCity_MagicCore Modpack】
1.21.11fabric

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.

4.8kdownloads
Infinite Water Block
1.21neoforge

Infinite Water Block

A customizable infinite water block with support for auto push, redstone enable/disable, and customizable push per tick and capacity

2.2kdownloads
红石生电冒险优化[Redstone Power Adventure Optimization]
1.21fabric

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)

845downloads
Arcle's Medieval Containers Resource Pack (1.21.11, 1.21.1) – Middle Ages Theme
1.21.11

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 […]

Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation
1.21.4fabric

Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation

Literally Chunk Loader Mod ensures that specific chunks stay active even when you are far away, allowing processes like redstone mechanisms and mob farms to continue functioning. Features: Vanilla Friendly: Seamlessly integrates with the vanilla Minecraft experience. Simplicity: Easy to use with no complex setups. Just place a block in the desired chunk. Utility: Keeps […]

Gears & Gardens
1.21.1neoforge

Gears & Gardens

Gears and Gardens is a modded Minecraft server focused on tech, nature, exploration, and community‑friendly game play. Think machines + contraptions + towns + chill vibes.

323downloads
Create Photomovement Mod (1.21.1, 1.20.1) – Power Your Contraptions
1.21.1

Create Photomovement Mod (1.21.1, 1.20.1) – Power Your Contraptions

Create Photomovement Mod extends Create with solar-powered rotation sources for your mechanical contraptions. This addon lets you harness daylight to produce rotational force without burning fuel. It introduces vertical generators, directional sun-tracking blocks, and specialized sails that generate stress capacity based on weather and sunlight levels. Features: Adds sunlight-driven rotation sources to run mechanical setups […]

Redstone Additions Mod (26.2, 1.21.11) – Automate Every Resource
1.21.11

Redstone Additions Mod (26.2, 1.21.11) – Automate Every Resource

Redstone Additions Mod expands vanilla circuitry with dozens of logic blocks, automation devices, and long-range transport networks. This mod introduces dedicated pipes for items, fluids, gases, and electricity directly into your world. You can run wireless redstone signals across long distances, keep key chunks loaded, and link inventories across dimensions. It also supplies personal flight […]

Project Red Expansion Mod (1.21.1, 1.20.1) – Project Red Mechanical
1.21.1

Project Red Expansion Mod (1.21.1, 1.20.1) – Project Red Mechanical

Project Red Expansion Mod implements movable frames, allowing players to build large constructions which can be moved or even move themselves. The module also includes a tube system to transport fluids and items. Machines, frames, motors, electricity generation. Project Red is a collection of Minecraft Forge mods that aim to bring vastly improved Redstone circuitry […]