Minecraft Java 1.20 Mods
Browse 6 free mods for Minecraft Java 1.20 — popular picks include DesignDream: Spawnproofing, Schematics, Shaders, Rainbow Redstone, Seus Emissions.
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DesignDream: Spawnproofing, Schematics, Shaders
A highly curated assortment of client side mods to improve both your Redstone and Architectural builds by making spawnproofing easier, giving you schematics to build with and the ability for insane shaders.

Rainbow Redstone
Make your redstone rainbow in pure vanilla! Optionally includes full customization in-game using respackopts mod.
Seus Emissions
Adds emissions properties to redstone block, emerald block and lapis block as it was in Seus PTGI.
Just Glowing Buttons (Forge)
These new buttons glows and emits light. (Best to use with shaders)
Cardboard redstone
Makes the redstone stupid but also kinda cool-looking. Surely you can't use it as your main redstone pack (because blocks are more detailed=laggier), but it's cool
Neon Lamps
A mod that adds redstone controllable neon colored lamps that supports colored lighting with shaders.