SANDBOX — this is a test environment. No servers are actually deployed and no real payments are charged.
✓ VerifiedLibraries & compatibility

Lib 39

by 3944Realms · for Minecraft

Lib39 is a general-purpose dependency library for Minecraft mods.

19KDownloads
6 mo agoLast updated
MITLicense
Fabric · Forge +1Loaders

About Lib 39

From Modrinth

Lib39 is a general-purpose dependency library for Minecraft mods.

A LIB

Current Library Features

  • S2C Synchronized Data System (Not only supports Capability but also enables synchronization of more data types through DataProvider)
  • I18n Language JSON Data Generation Code based on Provider (providing more convenient language data generation)
  • Compatibility Code Registration Management Class (for easier compatibility with other mods)
  • NBT Read/Write Utility Class using a chain pattern to reduce redundant serialization/deserialization logic
  • A Series of Riding Methods for more convenient management of riding relationships

...and a range of other utility methods aimed at reducing repetitive coding tasks.

For Developers

Add the Maven repository in your build.gradle:

repositories {
    maven {
        name = "LTD Maven"
        url = "https://nexus.bot.leisuretimedock.top/repository/maven-public/"
    }
}

Import the dependency:

implementation 'top.r3944realms.lib39:lib39:${version}'

Version examples like 1.20.1-0.0.17:

implementation 'top.r3944realms.lib39:lib39:1.20.1-0.0.17'

After building, this mod can be found in the library with examples included.

Click "Download Source Code" in the right-hand window to view JavaDoc annotations.

Highlights

From source data

Game versions

Supports 3 Minecraft versions, the newest being 1.21.11.

Loaders

Runs on Fabric, Forge and NeoForge.

Footprint

Rated a light load on a server.

What kind of mod it is

From the catalog
Listed on Modrinth as “Mods”

Libraries & compatibility

Foundations and fixes other mods build on. Usually installed because something else needs it.

Runs on your server

From source side support

Modrinth lists Lib 39 as required on the server. Check its Modrinth page to see whether players need it too.

Compatibility

Game
Minecraft
Loaders
FabricForgeNeoForge
Runs on
Serverrequired on the server
Game versions
1.21.11 and 2 earlier

Verified at the source

  • ✓ModrinthOfficial listing, checked 2026-10-01Open ↗
  • ✓Author3944Realms, as published on Modrinth
  • ✓LicenseMITFree

Lib 39, answered

Generated from the mod’s own source data.

Do my players need to install Lib 39?

Modrinth lists Lib 39 as required on the server. Check its Modrinth page to see whether players need it too.

Which loaders does it support?

Fabric, Forge and NeoForge.

Is it free?

Yes. Lib 39 is free to download from Modrinth. Its license is MIT.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run Lib 39 on a Minecraft server.

Deploy in about a minute from $4.20 a month, then add Lib 39 in one click.