Fabric Mods for Minecraft 1.21
Browse 14 free Fabric mods for Minecraft 1.21 — popular picks include More Music Discs [Fabric/Forge/NeoForge], Holographic Renderers, Bacteriums.
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More Music Discs [Fabric/Forge/NeoForge]
Adds more music discs
Holographic Renderers
Projects hologram of images, areas, entities, etc.
Bacteriums
Bacterium Mod For Fabric and Forge
AngleSnap
Save and snap to precise angles and camera positions, useful for redstone contraptions using Magic Mirror technology.
Ghost Gear
Go on your own paranormal adventure using ghost gear!
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.
Laseredstone
Redstone but we use lasers to transfer signals
Super Trims
A mod focused around providing a deeper endgame progression utilizing armor trims.
Temporal Disjunction
Temporal Disjunction is a Minecraft mod that lets you manipulate time within specific regions — freeze, rewind, accelerate, or slow it — giving you godlike control over the flow of time in your world.

Whitestone Mod
Added "Whitestone" electric system similar to Redstone, but removed the delay, and let the signal can transform vertically. And added a few bugs! Note: Developer misspell 'transmitter' into 'transformer'. This bug is already fixed in 0.3.0.
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)
Noodlemancy
Builds upon the existing Minecraft magic systems with new redstone components, blocks, items, enchantments, and potions.
Gateways
A vanilla-esque teleport pad mod for both blocks and entities with redstone compatibility
Calibrated Spawners Expanded
A mod that let you calibrate and customize mob spawners.