A guikit file extension is related to the ShapeShifter and used for its theme files.
GUIKIT file extension - ShapeShifter theme
What is guikit file? How to open guikit files?
File type specification:
The guikit file extension is associated with the ShapeShifter a theme customization software for Apple Mac OS X operating system.
The guikit file stores customized theme.
The ShapeShifter is obsolete product without any support from developer.
This guikit file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.