CubeUI (OUTDATED, no updates. functionality moves to mothlib in future updates)

A lightweight, outdated modular UI library for Forge featuring a robust theming engine, 9-slice rendering, and essential widgets for building scalable interfaces.

CubeUI (Library)

Last Update:

  • Version: 1.0.0 – Initial Release
  • Date: 2025-12-29
  • Highlights: Added Theme Engine; implemented 9-slice rendering system; added essential widgets; implemented debug overlay.
  • Status: Stable Release

CubeUI is a lightweight, modular UI Library for Minecraft Forge. It provides a robust framework for creating complex, scalable user interfaces with built-in theming support and high-performance rendering helpers. Designed to make modding UIs easier and more consistent.

Ko-fi Join Discord GitHub Documentation


Features

  • Advanced Theming System: A centralized ThemeManager allows hot-swapping textures and styles for all registered widgets.
  • Smart Rendering: Built-in 9-slice (panels) and 3-slice (buttons/fields) rendering support. No more stretched textures.
  • Essential Widgets: Includes a collection of standard, themable widgets ready for immediate implementation.
  • Debug Tools: Includes a built-in debug overlay for developers (Press Ctrl + Shift + U).
  • Vanilla Friendly: The default theme mimics the vanilla aesthetic perfectly but can be fully customized.

Usage

Full documentation and implementation examples are available on the wiki (click the Documentation badge above).

To access the developer debug menu in-game, use: CTRL + SHIFT + U


Requirements

  • Minecraft: Forge 1.20.1+ (Check file versions)
  • Loader: Forge Only
  • Dependencies: None (Standalone Library)

License

MIT – free to use in your own projects, modpacks, and addons.

The CubeUI (OUTDATED, no updates. functionality moves to mothlib in future updates) Team

Forgeborn tier frameprofile avatar
Owner
Forgeborn tier icon
  • 8
    Projects
  • 334.4K
    Downloads
Donate

More from DenmothView all

  • Undertale Death Screen: Continued project image

    Undertale Death Screen: Continued

    • 533
    • Mods

    Undertale Death Screen Continued is a direct fork of the original mod by Raik176. Since the original hasn't been updated or ported in a long time, this project keeps it alive by providing active support, bug fixes, and ports to modern Minecraft versions.

    • 533
    • June 30, 2026
    • Mods
    • +1
  • Regions & POI Names project image

    Regions & POI Names

    • 632
    • Mods

    Immersive RPG-style region names! RNPOIN procedurally generates and displays majestic titles for every area you explore based on biomes. Fully configurable and deterministic.

    • 632
    • February 12, 2026
    • Mods
    • +2
  • Create: structures overhaul project image

    Create: structures overhaul

    • 274.4K
    • Mods

    Overhauls exploration by adding immersive, Create-themed structures to the world.

    • 274.4K
    • January 18, 2026
    • Mods
    • +3
  • Uncanny project image

    Uncanny

    • 1.3K
    • Mods

    A psychological horror mod that breaks the fourth wall. Visual glitches, fake crashes, phantom players, and an entity born from a rendering error. Do not trust the system.

    • 1.3K
    • January 7, 2026
    • Mods
    • +2
  • Undertale Death Screen: Continued project image

    Undertale Death Screen: Continued

    • 533
    • Mods

    Undertale Death Screen Continued is a direct fork of the original mod by Raik176. Since the original hasn't been updated or ported in a long time, this project keeps it alive by providing active support, bug fixes, and ports to modern Minecraft versions.

    • 533
    • June 30, 2026
    • Mods
    • +1
  • Regions & POI Names project image

    Regions & POI Names

    • 632
    • Mods

    Immersive RPG-style region names! RNPOIN procedurally generates and displays majestic titles for every area you explore based on biomes. Fully configurable and deterministic.

    • 632
    • February 12, 2026
    • Mods
    • +2
  • Create: structures overhaul project image

    Create: structures overhaul

    • 274.4K
    • Mods

    Overhauls exploration by adding immersive, Create-themed structures to the world.

    • 274.4K
    • January 18, 2026
    • Mods
    • +3
  • Uncanny project image

    Uncanny

    • 1.3K
    • Mods

    A psychological horror mod that breaks the fourth wall. Visual glitches, fake crashes, phantom players, and an entity born from a rendering error. Do not trust the system.

    • 1.3K
    • January 7, 2026
    • Mods
    • +2