http://valinet6l6tq6d5yohaa6gdsf2ho4qcqcxyj2nahp5kd4z7nsa6ycdqd.onion/2021/04/10/Open-SharePoint-files-in-client-apps-directly-in-modern-browsers.html
It is called SharePoint Foundation 2013 and available free of charge from Microsoft. Now, the workflow I envisioned is for people to store their documents in SharePoint libraries and to have them edit documents directly in there, if needed, automatically checking them out (which means locking the document while edited by one person such that other people attempting to edit are prevented from doing so; it is a rudimentary, but efficient form of access control, in order to...