172 Open source projects that are alternatives of or similar to Smash Forge

A modding library for Valheim, with the goal of making the lives of mod developers easier.

A new level editor for the Halo games based on a CSG/Brush workflow, similar to Source/Quake level editing.

A big library of ACS functions for Zandronum modding

A C# modding swiss army knife, powered by cecil.

Sims 4 Scripting Boilerplate Project

A VRChat modding library and a mod to implement some requested features and enhance the social part of the game

Patch for Civilization V to allow modded multiplayer. Currently under development.

A Python library for manipulation of Doom WAD files

A collection of mods for Skater XL that use the Unity Mod Manager (reworked from the XLShredMenu mod)

Unity Plugin Manager

Tools for handling firmwares of DJI products, with focus on quadcopters.

A complete Subnautica and Subnautica: Below Zero modding library for the popular QModManager framework.

CAMM (Crystal Alien Map Maker) open source level/map editor for CrystAlien Conflict.

Scripts to install Debian on your Kindle

Unity Plugin for integrating mod.io - a modding API for game developers

The most advanced and modern Spore modding tool.

Add / Reset your Skyrim perks using generated scripts with an easy to use graphical interface! 📝 🎮

The Skyrim masterlist.

Unturned 3 implementation of the RocketMod — .NET Game Server Plugin Framework

Thunderstore is a mod database and API for downloading mods. Thunderstore Discord: https://discord.gg/UWpWhjZken

A mod to restore and add functionality to the Halo 2 Editing Kit.

WebScriptHook is a web plugin framework for GTAV, which allows interaction with a running instance of GTAV through a REST API.

Unity / XNA game patcher and plugin framework

A wrapper around MoonSharp that allows easy development of moddable Unity games

A Halo Online modification

Libre Minecraft mappings, free to use for everyone. No exceptions.

Relink games / tools using the XNA Framework 4.0 to use FNA instead

Miscellaneous tools for dealing with smash 4 files.

It's a Doom editor

Windows Application that can read and save the RDA file format used in Anno 1404, 2070 and 2205.

A mod list downloader & installer for Skyrim/Oblivion and Fallout games

Dark Souls III archive file information

A swiss army knife for modding Bethesda games. This is the main repository.

SDK for integrating mod.io into your game - a modding API for game developers

IL patcher for use with adding Oxide support to .NET games

Tremor mod, for tModLoader Terraria

📦 The MC modpack manager for professionals.

Tools & code for use with Mass Effect: Andromeda.

Change *.ini settings and install mods.

Archive manager for Wii U filetypes

Original Mafia2 Multiplayer modification

PapyrusDotNet - A .NET Papyrus Compiler for Fallout 4 and Skyrim

🔧 Audio occlusion generation tool for GTA V custom interiors

The General Plugin Template Project of Starcraft adapted to Visual Studio 2008

Evrey's modded AI castles for the game Stronghold Crusader HD

A load order optimisation tool for the Elder Scrolls (Morrowind and later) and Fallout (3 and later) games.

MetaHook (https://github.com/nagist/metahook) porting for SvEngine (GoldSrc engine modified by Sven-Coop)

An MIT licensed editor for the computer game "Diablo 1".

Fixed Foveated Rendering for SteamVR games

Enhancements for Black Ops' modtools

The TES V: Skyrim Special Edition masterlist.

Cross-platform runtime mod loader and API for any Unity-based game. Supports Unity 5 and up!

Add Image Upscaling via AMD FidelityFX SuperResolution or NVIDIA Image Scaling to SteamVR games

Free (as in freedom) media files for openage.

SourceMod - Source Engine Scripting and Administration

OpenMod .NET Plugin Framework

Config based patch management for Subnautica and Subnautica: Below Zero

A small template for Android Hooking with Substrate. (Includes a mod menu written in Java)

Tools to help the development of xoreos

Tools & code for use with Borderlands 2.