For A Hat in Time
That's the Mod Manager but fully rewritten from scratch with the new features:
Now supports mod uploading via Steamworks API (no more int32 issue)! Works only with the Steam release of the game and 64-bit operating systems (cuz the game is 64-bit anyway). Requires .NET Framework v4.0 (you probably have it already installed if you are used official Modding Tools before)
Download latest release from the Releases tab, extract it to some folder and run the "ModdingTools.exe" executable.
Clone the repository and open it in the Visual Studio 2019 (or newer).
This tool is an unofficial tool and is not associated with Gears for Breakfast