Mullvad Leta – Search engine developed by Mullvad,
focused on privacy. It uses Google and Brave Search APIs while
minimizing user tracking. Searches are cached to enhance privacy, and
results are free from third-party tracking links.
Link:
https://leta.mullvad.net/
Anna's Archive – Open-source search engine for
alternative digital libraries, often called "shadow libraries." It
aggregates metadata from sources such as Z-Library, Sci-Hub, and
Library Genesis, providing free access to books and scientific
articles.
Link:
https://annas-archive.org/
Encyclosearch – Open-source search engine developed
by the Knowledge Standards Foundation. It allows querying over 30
encyclopedias in 12 languages, providing enriched and decentralized
search results.
Link:
https://encyclosearch.org