Fallout 4 Script Extender (F4SE)
Framework
Lets DLL plugins hook the game; most of this list needs it.
Must match your game build (Next-Gen vs Old-Gen). Launch through f4se_loader.exe.
No requirements
Tracked framework: Safe for the latest patch.
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A stable, crash-resistant Fallout 4 base. Script extender and crash fixes first, then interface, then gameplay. Each mod's page lists its full requirements.
Hand-picked by ModSafe, listed in install order. We link only to the official download pages and never host files. Badges reflect our live framework status for Update 2026-08-18. List verified 2026-10-15.
📘 How to install mods Recommended manager: Mod Organizer 2 ↗
Framework
Lets DLL plugins hook the game; most of this list needs it.
Must match your game build (Next-Gen vs Old-Gen). Launch through f4se_loader.exe.
No requirements
Tracked framework: Safe for the latest patch.
Framework
Lookup table that keeps F4SE plugins working across minor game updates.
Requires: F4SE
Tracked framework: Check manually for the latest patch.
Fixes
Crash fixes plus readable crash logs that point to the mod at fault.
Requires: F4SE, Address Lib
Tracked framework: Check manually for the latest patch.
Fixes
Community fix-pack for thousands of quest, item and world bugs.
No requirements
Doesn't depend on a tracked framework; check its page after big patches.
Fixes
Stops the well-known NVIDIA weapon debris crash.
Requires: F4SE, Address Lib
Needs F4SE; weakest link: F4SE (Safe).
Performance
Fixes physics, loading and stutter issues above 60 FPS.
Requires: F4SE, Address Lib
Needs F4SE; weakest link: F4SE (Safe).
Interface
In-game settings menu that many mods use for their options.
Requires: F4SE
Needs F4SE; weakest link: F4SE (Safe).
Interface
Shared HUD library required by many interface and survival mods.
Requires: F4SE
Needs F4SE; weakest link: F4SE (Safe).
Interface
Cleaner, denser inventory, barter and HUD menus with sorting tags.
No requirements
Doesn't depend on a tracked framework; check its page after big patches.
Interface
Shows the full dialogue lines instead of one-word prompts.
Requires: F4SE
Needs F4SE; weakest link: F4SE (Safe).
Character
Expanded character editor with sliders and presets.
Requires: F4SE
Needs F4SE; weakest link: F4SE (Safe).
Settlements
Build anywhere and fine-tune object placement in workshop mode.
Requires: F4SE
Needs F4SE; weakest link: F4SE (Safe).
Settlements
Backbone for settlement mods like Sim Settlements 2.
Requires: F4SE
Needs F4SE; weakest link: F4SE (Safe).
Mod pages and requirements can change; always read the mod's own page before installing. Not affiliated with Nexus Mods or any mod author.