Neoforge Mods for Minecraft 1.21
Browse 6 free Neoforge mods for Minecraft 1.21 — popular picks include Modern Elements, GregTech Modern Bugs Fix, Grimm's Mod Base.
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Modern Elements
Explore 100+ realistic chemicals with Modern Elements! From Acids and Bases to Organic compounds and Alloys, this mod brings authentic chemistry to Minecraft 1.21.1. Featuring custom 3D lab models, dynamic fluid tints, and a full periodic table.
GregTech Modern Bugs Fix
Fix some bugs of GregTech CEu Modern
Grimm's Mod Base
Base mod for the Grimm's modernized series, now including lattes (?). General content expansion and adventure mod.
VoxelUI
Modern UI framework for Minecraft NeoForge with XML layouts, MCSS styling, reusable components, theming, and developer tooling.

Modern Industrialization Multiblock Editor
Customize Modern Industrialization multiblocks with KubeJS
Voltaic API Mod (1.21.1, 1.20.1) – Dependency For Electrodynamics And Nuclear Science
Voltaic API Mod designed to unify and support multiple mods. It replaces older dependencies and ensures smooth integration across industrial, nuclear, and military‑style mods, all aimed at recreating the Voltz experience for newer Minecraft versions. Features: Required for Electrodynamics, Nuclear Science, Assembly Line, Ballistix, Blastcraft, MFFS, ICBM, and more. Central to the effort of modernizing […]