LDLib-Fabric

LDLib-Fabric

LDLib is a libarary mod for custom rendering, modular gui, but now in Fabric.

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543 Downloads
fabriclibrary
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About this Mod

Introduction

LDLib2 is a complete rewrite of the original LDLib, redesigned from the ground up to support modern versions of Minecraft. It provides advanced, high-level solutions across many areas of mod development, significantly reducing development complexity and long-term maintenance cost.

LDLib2 features a large, well-structured codebase that offers robust infrastructure for UI systems, shader, model rendering, data synchronization and persistence, and in-game visual editors, enabling developers to build complex systems more efficiently.

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Original LDLib2 Repository

Ported LDLib2 Repository

💡 Key Differences from LDLib

  • Fully redesigned architecture All core systems have been rewritten to align with the internal structure of modern Minecraft versions, resulting in cleaner and more reliable code.
  • Comprehensive documentation LDLib2 includes detailed documentation, comments, and example code, addressing LDLib’s long-standing issues of unclear and difficult-to-read implementations.
  • Removal of legacy systems Many outdated or unused frameworks have been removed, making LDLib2 more lightweight and easier to maintain.

Core Modules

  • Data Synchronization and Persistence
  • LDLib2 UI
  • Shaders
  • Model Rendering
  • In-game Editor

About this mod:

This is an unofficial port of LDLib2 for Fabric 1.21.1.
Credits to the mod creator, KilaBash.

Available Versions

LDLib-Fabric 2.5release
MC 1.21.1fabric
April 26, 2026

How to Install LDLib-Fabric on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).

3

Install Mod

Open the mod browser in the dashboard and search for "LDLib-Fabric". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.1

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

LDLib-Fabric server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is LDLib-Fabric compatible with fabric?

LDLib-Fabric officially supports fabric for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with LDLib-Fabric – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if LDLib-Fabric consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install LDLib-Fabric with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
GNU Lesser General Public License v3.0 only
Server-side
Required

Supported Versions

1.21.1