CurseForge · Minecraft mod
FTB Library (NeoForge)
Common code for all GUI stuff in FTB Mods
Quick answer
Which FTB Library (NeoForge) release matches 1.19.2 Forge?
FTB Library (NeoForge) ftb-library-forge-1902.4.2-build.701.jar targets 1.19.2 with Forge. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. 1 required mod needs a matching file.
Where it goes
Is FTB Library (NeoForge) required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
The source does not explicitly classify this release as client-only or server-only.
What else does FTB Library (NeoForge) ftb-library-forge-1902.4.2-build.701.jar need?
ftb-library-forge-1902.4.2-build.701.jar on 1.19.2 Forge. Every mod below is checked against that same setup.
Install Architectury API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add FTB Library (NeoForge) without breaking your instance.
Built for FTB Library (NeoForge) ftb-library-forge-1902.4.2-build.701.jar on 1.19.2 Forge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use ftb-library-forge-1902.4.2-build.701.jar. It targets 1.19.2 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Architectury API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
- 03
Put it on the correct side
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside ftb-library-forge-1902.4.2-build.701.jar. It opens that exact file at the source.
About this project
What does FTB Library (NeoForge) add?
FTB Library serves as a foundational component for FTB Mods. It's designed to simplify and enhance the modding experience for our developers, streamlining the development process for mods within the Feed the Beast ecosystem. While primarily intended for use by FTB Mods such as FTB Chunks and FTB Quests, it is not explicitly prohibited for integration into non-FTB mods. However, please note that using it in such contexts may pose challenges, and the responsibility for resolving any resulting issues falls upon the mod developer.

Pairs with
Key Features
- Streamlined GUI Development: FTB Library offers a structured framework for GUI creation, allowing us to enhance the user experience within the FTB Mods Suite.
- Sidebar System: FTB Library introduces a convenient sidebar system located at the top left of your inventory screen, providing quick access to essential features.
- Config Library: Easily manage configurations and settings for your mods with FTB Library's built-in config library, making it simple to customize your gaming experience.
- SNBT System: FTB Library includes an SNBT (String Named Binary Tag) system, which simplifies data storage and manipulation within your mod, ensuring smooth integration and compatibility.
- SNBT-Based Config System: Utilize the SNBT-based config system to streamline the configuration of your mod, enabling quick adjustments to its behavior and appearance.
- NBT Editor: Access a powerful NBT editor through the "/ftblibrary nbtedit" command. This tool allows you to modify the NBT data of block entities, entities, or players directly from a user-friendly GUI.
- Utility Commands: FTB Library provides handy utility commands, such as "/ftblibrary night" and "/ftblibrary day" to control the in-game time and "/ftblibrary rain" to start or stop rain, simplifying your gameplay experience.
Example GUI's

Extensible Sidebar Buttons
FTB Library introduces the capability for other mods to create sidebar buttons via JSON files, enhancing the overall functionality and versatility of FTB Mods.

Note: While FTB Library is not designed for use in non-FTB mods, it is not explicitly restricted. Developers choosing to integrate it into such projects should be prepared for potential challenges.
Please proceed with caution and take full responsibility for any compatibility or integration issues that may arise. You can report bugs or feature requests on our GitHub issues page.
Support
- For Modpack issues, please go here: https://go.ftb.team/support-modpack
- For Mod issues, please go here: https://go.ftb.team/support-mod-issues
- Just got a question? Check out our Discord: https://go.ftb.team/discord
Keep up to date
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Project description from CurseForge.
Pick your setup
FTB Library (NeoForge) by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
1 loader build26.1.1
1 loader build26.1
1 loader build1.21.11
1 loader build1.21.1
1 loader build1.20.4
2 loader builds1.20.1
1 loader build1.19.2
1 loader build1.18.2
1 loader build1.16.5
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
FTB Library (NeoForge) versions and loaders
ftb-library-forge-1902.4.2-build.701.jar
11 Jun 2026
Looking for an older file? The official CurseForge project page is in Resources.




