Best Fallout 4 Script Extender (F4SE) Alternatives in 2026
Updated
20 platforms from game mod loaders ranked against Fallout 4 Script Extender (F4SE) on the same published basis.
- 1Fallout 4 Script Extender (F4SE) vs Everest
- 2Fallout 4 Script Extender (F4SE) vs Satisfactory Mod Loader
- 3Fallout 4 Script Extender (F4SE) vs BepInEx
- 4Fallout 4 Script Extender (F4SE) vs Cyber Engine Tweaks
- 5Fallout 4 Script Extender (F4SE) vs Hell2Modding
- 6Fallout 4 Script Extender (F4SE) vs MelonLoader
- 7Fallout 4 Script Extender (F4SE) vs ModTek
- 8Fallout 4 Script Extender (F4SE) vs MWSE
- 9Fallout 4 Script Extender (F4SE) vs SMAPI
- 10Fallout 4 Script Extender (F4SE) vs Ultimate ASI Loader
- 11Fallout 4 Script Extender (F4SE) vs Northstar
- 12Fallout 4 Script Extender (F4SE) vs UE4SS
- 14Fallout 4 Script Extender (F4SE) vs RED4ext
- 15Fallout 4 Script Extender (F4SE) vs ScriptHookVDotNet
- 16Fallout 4 Script Extender (F4SE) vs Starfield Script Extender
- 17Fallout 4 Script Extender (F4SE) vs Venice Unleashed
- 18Fallout 4 Script Extender (F4SE) vs xNVSE
- 19Fallout 4 Script Extender (F4SE) vs Baldur's Gate 3 Script Extender
- 20Fallout 4 Script Extender (F4SE) vs CLEO
- 21Fallout 4 Script Extender (F4SE) vs Hollow Knight Modding API
Fallout 4 Script Extender (F4SE) alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Everest | 7.0 | No | — | API, Linux, Mac, Windows |
| 2 | Satisfactory Mod Loader | 6.0 | Free plan | Free | Linux, Windows |
| 3 | BepInEx | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 4 | Cyber Engine Tweaks | 5.9 | Free plan | Free | Linux, Windows |
| 5 | Hell2Modding | 5.9 | Free plan | Free | Mac, Windows |
| 6 | MelonLoader | 5.9 | Free plan | Free | Android, Linux, Mac, Windows |
| 7 | ModTek | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 8 | MWSE | 5.9 | Free plan | Free | Linux, Windows |
| 9 | SMAPI | 5.9 | Free plan | Free | Android, Linux, Mac, Windows |
| 10 | Ultimate ASI Loader | 5.9 | Free plan | Free | Windows |
| 11 | Northstar | 5.6 | No | — | Linux, Windows |
| 12 | UE4SS | 5.4 | No | — | Windows |
| 14 | RED4ext | 5.1 | No | — | Windows |
| 15 | ScriptHookVDotNet | 5.1 | No | — | Windows |
| 16 | Starfield Script Extender | 5.1 | No | — | Windows |
| 17 | Venice Unleashed | 5.1 | No | — | Windows |
| 18 | xNVSE | 5.1 | No | — | Windows |
| 19 | Baldur's Gate 3 Script Extender | 5.0 | No | — | Windows, Linux |
| 20 | CLEO | 5.0 | No | — | Windows, iOS |
| 21 | Hollow Knight Modding API | 5.0 | No | — | Windows, Mac, Linux |
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Questions about Fallout 4 Script Extender (F4SE) alternatives
What is the best alternative to Fallout 4 Script Extender (F4SE)?
Everest, number 1 in game mod loaders with a score of 7.0 out of 10. The others here: Satisfactory Mod Loader, BepInEx, Cyber Engine Tweaks and 16 more.
What is the best free alternative to Fallout 4 Script Extender (F4SE)?
Satisfactory Mod Loader is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.