Here are links to all the search engines and related stuff discussed during this podcast,

Searx: https://www.searx.me/

Searx public instances: https://searx.space/

Whoogle: https://github.com/benbusby/whoogle-search

Whoogle public instances: https://github.com/benbusby/whoogle-search#public-instances

MetaGer: https://metager.org/

MetaGer browser extensions: https://metager.org/plugin

MetaGer mobile apps: https://metager.org/app

MetaGer privacy policy: https://metager.org/datenschutz

Gigablast: https://gigablast.com/

Gigablast privacy policy: https://gigablast.com/privacy.html

Private.sh: https://private.sh/

Private.sh privacy policy: https://private.sh/extension.html

Ecosia: https://www.ecosia.org/

Ecosia mobile apps: https://info.ecosia.org/mobile

Ecosia privacy policy: https://info.ecosia.org/privacy

Startpage: https://www.startpage.com/

Startpage privacy policy: https://www.startpage.com/en/search/privacy-policy.html

Qwant: https://www.qwant.com/

Qwant Junior: https://www.qwantjunior.com/

Qwant browser extensions: https://help.qwant.com/help/qwant-search/add-qwant-on-desktop/

Qwant privacy policy: https://about.qwant.com/en/legal/confidentialite/

Brave Search: https://search.brave.com/

Brave Search privacy policy: https://search.brave.com/help/privacy-policy

DuckDuckGo: https://duckduckgo.com/

DuckDuckGo browser extensions & apps: https://duckduckgo.com/app

DuckDuckGo privacy policy: https://duckduckgo.com/privacy

hpr0773 :: Interview with Gabriel Weinberg of DuckDuckGo