Fallout mod manager

⭐ ⭐⭐⭐⭐ (62,391 endorsements) 📥 2.2M downloads 📌 v0.13.21 📅 11/22/2008
⚪ Last updated 2010

By Timeslip · Utilities

⬇ Download Mod Source: Nexus Mods 📅 Updated: 11/25/2010 📅 Created: 11/22/2008
⚠️ Install Order · 2 steps
1🛠️ FOSE — Fallout Script Extender Download ↗
2🔧 UFO3P — Unofficial Fallout 3 Patch Download ↗

Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.

🔍 Analysis

  • 👍 2.8% endorsement rate — high engagement, a strong quality signal
  • 🏆 #2 of 62 Utilities mods in this game by downloads

📋 About This Mod

NOTE: I have made FOMM compatible with Fallout: New Vegas. Don't worry, it still works with Fallout 3, and will continue to get support and new features. However, for the most timely updates you may want to check out the New Vegas Nexus Page.

Main Features:

For the mod user:

  • []Fail-Safe Mod Installs.

    Don't worry if a mod install fails; FOMM cleans up after itself, preventing half-installed mods.[]Mod Versioning.

    FOMM is able to upgrade mods without have to re-activate them, and without changing which mods overwrite which.[]Mod Reactivation

    You can change the installation options of mods without have to reinstall them.

For the mod author and tinkerers:

  • []Configurable Scripts

    Control how your mod can be installed, and give your users choices. You can write powerful install scripts using the flexible XML Configuration scripts, the more powerful C# Scripts, or event the traditional OBMM/OMOD script language.[]Low-Level Editing Tools

    FOMM still includes: TESsnip, BSA Creator/Unpacker, Shader Editor.

Note to Mod Authors:

FOMod scripts for FO:NV mods should derive from FalloutNewVegasBaseScript, instead of BaseScript. The functions in the scripting language have changed to reflect the differences between FO3 and FO:NV (for example, NVSE instead of FOSE). If your scripts don't derive from FalloutNewVegasBaseScript they will still work, but you won't have access to the new functions, and calling FOSE-related functions will cause your script to fail.

Installation - 0. 12. 6

This version can be installed over earlier versions without any additional work. It will upgrade its log files as required. Note that the upgrade process will not touch your mods, but it can take anywhere from a few minutes to a couple of hours, depending on how many, and what type, fomods you have installed.

Uninstallation - 0. 12. 6

If you wish to go back to an earlier version:

1) Open FOMM 0. 12.x

2) Deactivate all your mods

3) Close FOMM

4) Install the old FOMM version

5) Open the old FOMM

6) Activate the desired mods

Installation - 0. 13.x

If you are installing FOMM for the first time:

  • []Download the executable installer.

    []Double-click the installer.

    []Follow the instructions in the installation wizard.

    If you are upgrading from a version of FOMM that is 0. 13. 0 or newer:

    • []Download the executable installer.

      []Double-click the installer.

      []Follow the instructions in the installation wizard.

      If you are upgrading from a version of FOMM that is older than 0. 13. 0:[]Download the executable installer.

      []Double-click the installer.

      []Follow the instructions in

🤖 AI-enhanced — based on mod data

Fallout mod manager is a utility collection for creating and using mods, with 62,391 endorsements and 2.2 million downloads. Last updated in 2010, it remains a popular tool for Fallout modding.

✨ Key Features

Provides utilities for both creating and using mods.
High community trust with 62,391 endorsements.
Over 2.2 million downloads indicate widespread use.

📊 Pros & Cons

✅ Pros

  • Massive community trust (62,391 endorsements) — this is a staple tool.
  • 2.2 million downloads prove it's been the go-to for years.
  • Covers both mod creation and usage, so it's versatile.

⚠️ Cons

  • Last updated in 2010 — likely outdated for modern Fallout games.
  • May require manual setup or compatibility checks with newer OS versions.
🎯 Is This For You?
For veteran Fallout modders who remember the old days and need a legacy utility. For anyone modding Fallout 3 or New Vegas on older systems, this might still work. Skip if you're modding Fallout 4 or 76 — you need modern tools.
📦 Install:Medium· 5-10 minutes

💡 Beginner Tips

  • Check the mod's forum posts for community fixes if it doesn't run on modern Windows.
  • Since it's from 2010, run it in compatibility mode for Windows 7 if you hit issues.
  • Look for tutorials on YouTube — the modding community has documented this tool extensively.

📊 Mod Details

Game
Fallout 3 Mods
Author
Timeslip
Version
0.13.21
Downloads
2,196,396
Endorsements
62,391
Category
Utilities
Created
11/22/2008
Updated
11/25/2010

🔧 How to Install Fallout 3 Mods

Download from Nexus.

📖 Full step-by-step install guide for Fallout 3 →

Visit the official mod page for specific installation instructions for this mod.

🎮 Need cheat codes or console commands? Check ur gaming wiki for Fallout 3 commands, item IDs, and more.

Keep browsing — more Fallout 3 mods await

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