Searx is a free internet metasearch engine which aggregates results
from more than 70 search services. Users are neither tracked nor profiled.
Additionally, searx can be used over Tor for online anonymity.

Get started with searx by using one of the public instances. If you don't
trust anyone, you can set up your own service.

Features:
* Self hosted
* No user tracking
* No user profiling
* About 70 supported search engines
* Easy integration with any search engine
* Cookies are not used by default
* Secure, encrypted connections (HTTPS/SSL)
* Hosted by organisations, such as La Quadrature du Net, which promote
  digital rights

WWW: https://asciimoo.github.io/searx/