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Best Fallout 4 Script Extender (F4SE) Alternatives in 2026

Updated

20 apps from game mod loaders ranked against Fallout 4 Script Extender (F4SE) on the same published basis.

  1. 1
    MelonLoader Free plan AndroidLinuxMacWin Free7.8
    Fallout 4 Script Extender (F4SE) vs MelonLoader
  2. 2
    SMAPI Free plan AndroidLinuxMacWin Free7.8
    Fallout 4 Script Extender (F4SE) vs SMAPI
  3. 3
    CLEO WiniOS 6.7
    Fallout 4 Script Extender (F4SE) vs CLEO
  4. 4
    Satisfactory Mod Loader Free plan LinuxWin Free6.4
    Fallout 4 Script Extender (F4SE) vs Satisfactory Mod Loader
  5. 5
    BepInEx Free plan LinuxMacWin Free6.3
    Fallout 4 Script Extender (F4SE) vs BepInEx
  6. 6
    Cyber Engine Tweaks Free plan LinuxWin Free6.3
    Fallout 4 Script Extender (F4SE) vs Cyber Engine Tweaks
  7. 7
    Hell2Modding Free plan MacWin Free6.3
    Fallout 4 Script Extender (F4SE) vs Hell2Modding
  8. 8
    ModTek Free plan LinuxMacWin Free6.3
    Fallout 4 Script Extender (F4SE) vs ModTek
  9. 9
    MWSE Free plan LinuxWin Free6.3
    Fallout 4 Script Extender (F4SE) vs MWSE
  10. 10
    Ultimate ASI Loader Free plan Win Free6.3
    Fallout 4 Script Extender (F4SE) vs Ultimate ASI Loader
  11. 11
    Everest apiLinuxMacWin 5.9
    Fallout 4 Script Extender (F4SE) vs Everest
  12. 12
    Northstar LinuxWin 5.8
    Fallout 4 Script Extender (F4SE) vs Northstar
  13. 13
    UE4SS Win 5.6
    Fallout 4 Script Extender (F4SE) vs UE4SS
  14. 15
    RED4ext Free plan Win Free5.3
    Fallout 4 Script Extender (F4SE) vs RED4ext
  15. 16
    ScriptHookVDotNet Win 5.3
    Fallout 4 Script Extender (F4SE) vs ScriptHookVDotNet
  16. 17
    Starfield Script Extender Win 5.3
    Fallout 4 Script Extender (F4SE) vs Starfield Script Extender
  17. 18
    Venice Unleashed Free plan LinuxWin Free5.3
    Fallout 4 Script Extender (F4SE) vs Venice Unleashed
  18. 19
    xNVSE Win 5.3
    Fallout 4 Script Extender (F4SE) vs xNVSE
  19. 20
    Baldur's Gate 3 Script Extender WinLinux 5.2
    Fallout 4 Script Extender (F4SE) vs Baldur's Gate 3 Script Extender
  20. 21
    Hollow Knight Modding API WinMacLinux 5.2
    Fallout 4 Script Extender (F4SE) vs Hollow Knight Modding API

Fallout 4 Script Extender (F4SE) alternatives compared

#AppScoreFree planFromRuns on
1MelonLoader7.8Free planFreeAndroid, Linux, Mac, Windows
2SMAPI7.8Free planFreeAndroid, Linux, Mac, Windows
3CLEO6.7No—Windows, iOS
4Satisfactory Mod Loader6.4Free planFreeLinux, Windows
5BepInEx6.3Free planFreeLinux, Mac, Windows
6Cyber Engine Tweaks6.3Free planFreeLinux, Windows
7Hell2Modding6.3Free planFreeMac, Windows
8ModTek6.3Free planFreeLinux, Mac, Windows
9MWSE6.3Free planFreeLinux, Windows
10Ultimate ASI Loader6.3Free planFreeWindows
11Everest5.9No—API, Linux, Mac, Windows
12Northstar5.8No—Linux, Windows
13UE4SS5.6No—Windows
15RED4ext5.3Free planFreeWindows
16ScriptHookVDotNet5.3No—Windows
17Starfield Script Extender5.3No—Windows
18Venice Unleashed5.3Free planFreeLinux, Windows
19xNVSE5.3No—Windows
20Baldur's Gate 3 Script Extender5.2No—Windows, Linux
21Hollow Knight Modding API5.2No—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)?

MelonLoader, number 1 in game mod loaders with a score of 7.8 out of 10. The others here: SMAPI, CLEO, Satisfactory Mod Loader and 16 more.

What is the best free alternative to Fallout 4 Script Extender (F4SE)?

MelonLoader is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.