I wish to see “A Preferred Top 3 or 9” by GNU/Linux users.

I suggest truth seekers compile a free source database of search alternatives along with evaluations.

I put GNU/Linux suggestions at the top because Microsoft users’ computers are compromised and there are also concerns about what web browser to install.
See: November 2017 Alternatives To Google Search Control Engine

• https://searx.ch/ searx - a privacy-respecting, hackable metasearch engine. searx.me may be overused, you can switch to searx.ch for your default, or build your own instance. List of public searx instances + Hidden services: https://github.com/asciimoo/searx/wiki/Searx-instances
• https://beniz.github.io/seeks/ Seeks is a websearch proxy and collaborative distributed tool for websearching.
• https://ahmia.fi/about/ Ahmia is a clearnet search engine for Tor's hidden services created by Juha Nurmi.