Datashare (free/open source)
Datashare is a free open-source desktop application developed by non-profit International Consortium of Investigative Journalists (ICIJ).
Datashare allows investigative journalists to:
access all their documents in one place locally on their computer while securing ...
I must say you got me intrigued. I've been using Everything for a lot of years now since Google Desktop Search has died, and Copernic always seemed a bit off.
With @Gounou's suggestion Recoll, I started going the AlternativeTo.Net rabbit-hole.
I got reacquainted with Agent Ransack (A.K.A FileLocator Lite and it's bigger brother Pro), but the free version ...
I've tested Recoll.
From the documentation :
Recoll is based on the very capable Xapian search engine library, for which it provides a powerful text extraction layer and a complete, yet easy to use, Qt graphical interface.
Versions are available for Linux, MS Windows and Mac OS X.
It can search most document formats. You may need external
applications for ...