Files with zit file extension might be found as special tracking repository files for git-based content trackers.
ZIT file extension - ZIT file tracking repository
What is zit file? How to open zit files?
File type specification:
The zit file extension is related to a repository file format used by Zit: the git-based single file content tracker.
Seems like not much widespread technology and format, maybe only used for education and academic purposes.
This zit 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.