Fat JarinJar mod bundling of slow moving external libraries to avoid additional runtime downloads. Common set of dependencies for many of the GTNH mods.
Currently includes:
* Fastutil (faster primative collections)
* Joml (fast matrix operations)
* Brigadier (MIT command parser from Mojang)
* JVMDowngraderAPI Stubs (Modern java libs everywhere!)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as gtnhextlib-1.0.3.jar — drop this file into the mods folder
- Download size: 24.1 MB
- Download link checked 14 Sept 2026 — working
These come from our own check of the pack file, not from the source page.