Minecraft Java 1.21 Mods
Browse 125 free mods for Minecraft Java 1.21 — popular picks include Dark Utilities, Fabrication, XK Redstone Display.
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Dark Utilities
Expansive content mod which adds a little bit of everything.
Fabrication
A huge collection of vanilla tweaks and small features. Trident improvements, bugfixes, furnace minecart changes, note block enhancements, old lava, old logo, oh my!
XK Redstone Display
Improvements to redstone displays
Cammie's Minecart Tweaks
Makes Minecarts more viable as a form of transportation.
White Lamps
Makes redstone lamps look like black and white pixels, useful for logical redstone.
Redstone Torch Backport
Backport of 1.21.2 (24w33a) Redstone Torch
Crossless Redstone Lamps
Simplifies and noises redstone lamps texture to be more clear
MattPack
A compilation of many texture packs into a redstone texture pack. used by mattbatwings - https://www.youtube.com/@mattbatwings
3D Models (UltiCraft Sandalone)
3D models for workstations, ores, random litter on grass, and cleaned-up stairs and double slabs. The pack is designed to be compatible with, and complement other 3d models like VanillaTweaks, and redstoner models like Rexstones.
Redstone Tweaks Overlaid
Add Redstone Tweaks to your favorite resource packs
Bare Bones x Redstone Torch Backport
A Bare Bones/Trailers Vision version of the backport of 1.21.2 (24w33a) Redstone Torch.
Redstone Utilities
64x64 Redstone Utilities
Redstone Tweaks for Bare Bones
Enhance your redstone experience in your simplified world.
TCTC Cherry
Cherry accent color redstone display resourcepack
New Torches
Enhances all torches to visually match the new Redstone Torch design introduced in version 24w33a.
Bare Bones Tweaks - VT Directional redstone components
Barebones version of VT Directional Hoppers, Dispensers & Droppers, and Observers

JoaCarpet
A small carpet extension mod with useful features for redstone and storage tech (+some minor survival tweaks)
Torchier Torches
Gives all the torches in the game the new Redstone Torch outline from Snapshot 24w33a.
Redstone Torch Backport Supporter
Make the New Redstone Torch compatible with Mods
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
Redstone: Recharged
A collection of redstone fixes, expansions, and tweaks.
红显调谐RedstoneTuning
This project can add directional indicators to all Redstone-related blocks via a self-illuminating method, with the effect working properly both during the day and at night.
Ultimate Redstone+
A resource pack made to enhance your redstone experience
Clean Redstone - outlined colored blocks
Gives an clean look and outline to wool and glass with connected textures
northern wonderer
pvp/cpvp/redstone/survival/decorating/etc ultimate pack
BetterRedstone
A resource pack that helps you with redstone

素颜简方 Simple Color
A Vanilla-like texture pack with Smoother textures, Soft color changes, Redstone display, Low fire...
Redder Redstone Torches
Redstone Torches have a redder color heavily based on a texture from Minecraft: Story Mode.
M's Redstone Pack
A redstone resource pack that attempts to make redstone components clear while maintaining the vanilla feel.
Redstone: Reloaded
Improves redstone components with cleaner textures and intuitive visual blockstate indicators.
Tweaks SMP
SMP Tweaks is a lightweight resource pack for PVP/SMP that improves visuals and gameplay. It adds clearer water, low shield, improved brewing GUI, ore outline, animated items, immersive 3D redstone,and lot more
REDstone Torches
New, but now also improved 24w33a (1.21.2) redstone torches! (backported too!)
Animated Redstone
Simple pulsing animation for redstone.
Glowing Torches
This resource pack recreates the glowing outline in the new redstone torch model for all torches. As well as backporting the redstone torch model to older versions.
Torchier Torches Continued
Gives all the torches in the game the new Redstone Torch outline from Snapshot 24w33a.
Accurate Redstone Components
Tweaked versions of the sprites of the redstone repeater and redstone comparator that more closely resemble the blocks.