Neoforge Mods for Minecraft 1.21
Browse 6 free Neoforge mods for Minecraft 1.21 — popular picks include InsaneLib, Enchant Limiter (RPG Tweaks), Alexandria Lib.
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InsaneLib
A set of common classes and utilities used by Insane's mods
Enchant Limiter (RPG Tweaks)
Limit the number of enchantments on an item.

Alexandria Lib
Alexandria is a lightweight Minecraft library mod that provides shared utilities and a common foundation for other mods. It doesn’t add gameplay on its own but serves as a core dependency to make mods easier to build and maintain.
Speakeasy Utilities
A shared library providing common systems, utilities, and APIs for the Speakeasy mod collection.
Aaron Mod (1.21.1, 1.20.1) – Code Library
Aaron Mod is a library mod created by the developer Aaron that provides shared code for many of their other mods. This mod reduces duplicated code across multiple projects by including common utilities and helpers in one place. Aaron is not a standalone mod – it's a required dependency that other mods use to function […]
Lodestone Mod (1.21.3, 1.20.1) – Library for Lodestar Team's Projects
Lodestone Mod is a library used by all mods under the Lodestar team, containing important backend code mostly used for rendering. Features: A lot of shaders Various helper classes & utilities. A simple screenshake implementation. Some commonly used attributes in Lodestar Team's mods. A system allowing for custom fire effects applied to entities. A particle […]