Library Ferret Mod (1.21.10, 1.20.1) – Library for Jtorleon's Mods

Library Ferret Mod serves as the essential shared-code backbone behind all of Jtorleon's popular Minecraft mods. If you've ever installed a mod from the Jtorleon Studio lineup, chances are this library was quietly doing the heavy lifting behind the scenes — downloaded over 4.1 million times and counting. While it doesn't add any visible gameplay features on its own, it's a required dependency that keeps Jtorleon's entire mod ecosystem running smoothly across Forge, Fabric, NeoForge, and Quilt.

Key Features

• Shared code library — Provides common utilities and shared code that all of Jtorleon's mods depend on, preventing code duplication across projects
• Multi-loader support — Works across Forge, Fabric, NeoForge, and Quilt, so you're covered regardless of which mod loader you prefer
• Wide version coverage — Supports Minecraft versions ranging from 1.12.2 all the way up to 1.21.10, making it one of the most broadly compatible library mods available
• Lightweight dependency — Designed purely as a backend library, this mod appears to be lightweight and runs silently without adding UI elements or gameplay changes
• Actively maintained — Regular updates keep pace with new Minecraft releases, with the latest build tested against Minecraft 1.21.9 and Forge 59.0.5

Screenshots

How to Install

1. Download and install your preferred mod loader — Forge, Fabric, NeoForge, or Quilt — matching your Minecraft version.
2. If using Fabric, make sure you also have the Fabric API installed.
3. Download Library Ferret Mod for your specific Minecraft version and loader from the links below.
4. Place the downloaded .jar file into your .minecraft/mods folder.
5. Launch Minecraft — Library Ferret will load automatically and be available for any of Jtorleon's mods that require it.

Requirements

Pros & Cons

Download

What's New

• Updated to support Minecraft 1.21.9 with Forge 59.0.5 compatibility
• Added support for Minecraft 1.21.8, 1.21.7, and 1.21.6 (September 2025)
• Updated to Minecraft 1.21.5 (April 2025)
• Fixed Java version targeting for Fabric builds on Minecraft 1.20.x (March 2025)

FAQ

Do I need Library Ferret if I don't use any Jtorleon mods?

No. Library Ferret only provides shared code for Jtorleon's mod lineup. If you don't have any of their mods installed, there's no reason to add this library to your mods folder.

Does Library Ferret Mod add anything visible to the game?

It does not. Library Ferret runs entirely in the background as a code library. You won't see new items, blocks, or menus — it simply provides the foundation that Jtorleon's other mods build upon.

Which mod loader should I use with Library Ferret?

That depends on which Jtorleon mod you're installing. Library Ferret supports Forge, Fabric, NeoForge, and Quilt, so pick whichever loader matches the rest of your modded setup. For the widest compatibility, Forge and Fabric have the most download options available.

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