17.5
MelonLoader is a free mod loader for Unity games that use either Il2Cpp or Mono.
Free planOpen sourceAndroidLinuxmacOS
Alternatives to BepInEx
BepInEx gives modders a free framework for Unity Mono, Unity IL2CPP, and .NET Framework games, including XNA, FNA, and MonoGame. It combines drop-in installation with configuration, logging, Harmony-based runtime patching, and in-memory assembly patching. Windows, Linux, and macOS builds are available, with plugin support, load-order control, and dependency handling for broader mod setups. Guides cover installation, troubleshooting, and plugin development, and the project…
27.1
Baldur's Gate 3 Script Extender is a free scripting tool for Baldur's Gate 3 mods.
Free planOpen sourceAPILinuxWindows
36.4
Satisfactory Mod Loader is an unofficial, free plugin tool for loading mods in Satisfactory.
Free planLinuxWindows
- 4
SMAPI
SMAPI is a plugin-based mod loader for Stardew Valley, with mod profiles, load-order control and dependency handling.
Free planAndroidLinuxmacOSWindows6.4Free plan - 5
RED4ext
RED4ext is a free Windows script extender and plugin manager for Cyberpunk 2077.
Free planWindows6.3Free plan - 6
ScriptHookVDotNet
ScriptHookVDotNet is a free Windows PC script runtime for Grand Theft Auto V Story Mode.
Free planWindows6.3Free plan - 7
xOBSE
xOBSE is a community-maintained, up-to-date fork of the Oblivion Script Extender, a tool that expands scripting capabilities for modders of The Elder Scrolls IV: Oblivion.
Free planLinuxWindows6.2Free plan - 8
Cyber Engine Tweaks
Cyber Engine Tweaks is a free scripting framework for people making mods for Cyberpunk 2077.
Free planLinuxWindows6.0Free plan - 9
Hollow Knight Modding API
Hollow Knight Modding API is a free, open-source loader for Hollow Knight mods, used mainly to help them work alongside one another.
Free planLinuxmacOSWindows6.0Free plan - 10
ModTek
ModTek is a free, open-source mod loader for HBS’s BattleTech PC game.
Free planLinuxmacOSWindows6.0Free plan - 11
MWSE
MWSE adds scripting functions to The Elder Scrolls III: Morrowind beyond those in the game's Construction Set, giving mod authors ways to build…
Free planLinuxWindows6.0Free plan - 12
Sonic
Sonic is a free, open-source search backend for applications that need to index text and query it alongside identifiers.
Free planLinuxSelf-hosted6.0Free plan - 13
Venice Unleashed
Venice Unleashed is a community-oriented framework for modding and changing Battlefield 3.
Free planLinuxWindows6.0Free plan - 14
5.9 - 15
Fallout 4 Script Extender (F4SE)
Fallout 4 Script Extender (F4SE) is a free Windows resource for Fallout 4 modders that expands the game's scripting capabilities without modifying…
Free planWindows5.9Free plan - 16
Ultimate ASI Loader
Ultimate ASI Loader is a Windows proxy DLL for loading custom .asi libraries into games that use supported Win32 or Win64 DLLs, including Direct3D,…
Free planWindows5.9Free plan - 17
CLEO
CLEO is an open-source scripting library for supported Grand Theft Auto games and Bully.
iOSWindows5.8 - 18
Hell2Modding
Hell2Modding is a free modding plugin and framework for Hades II, intended for players modding the game and developers making mods for it.
Free planmacOSWindows5.8Free plan - 19
REDmod
REDmod is a free Windows DLC for Cyberpunk 2077 that adds integrated support for installing and loading mods while providing tools to create them.
Free planWindows5.8Free plan - 20
Starfield Script Extender
Starfield Script Extender (SFSE) adds scripting capabilities and plugin support to Starfield on Windows.
Free planWindows5.8Free plan - 21
Northstar
Northstar is a Titanfall 2 modding and custom server framework for Windows and Linux.
LinuxWindows5.6 - 225.6
- 23
xNVSE
xNVSE is a free Windows project that expands Fallout: New Vegas engine and scripting capabilities for modders and script authors.
Windows5.4 - 24
Unity
Unity is a free Minecraft resource pack for Java Edition, with 1.21 listed as a supported version.
5.2 - 25
Hades Mod Importer
macOSWindows4.6