Search notes:

Search Engines

Perplexity is somewhat similar to ChatGPT, but also provides citations, i. e. links to the source of the information.

Perplexica is inspired by perplexity, but open source.

Phind feels similar to Perplexity.

freespoke which labels media bias and promotes american-made brands.

SearXNG is a hackable (= opensource?) metasearch engine.

Metaphor is powered by a model using a form of self-supervised learning, the same paradigm behind models like Stable Diffusion and GPT-3

DuckDuckGo: Die Suchmaschine, die Sie nicht verfolgt.

You: an AI chatbot.

eTools: the transparent Metasearch Engine from Switzerland, queries Ask, BASE (Bielefeld Academic Search Engine, Bing, DuckDuckGo, Exalead, Fastbot, Findx, Google, Mojeek, Moose, Search, Tiger, Wikipedia, Yahoo and Yandex in parallel

moose.at: Suchmaschine für Österreich

ixQuick: Ohne cookies.

Qwant: does not store cookies, as well.

dogpile returns results from other search engines including Google and Yahoo.

abc/søk

Yandex (Яндекс), the most popular search engine in Russia (but is registered in the Netherlands).

Swisscows: Family friendly, no tracking, no data keeping.

search.brave.com

tipz.io, sometimes(?) with cyrillic results.

Startpage

CC Search to find works that are under a creative commons license.

Wolfram Alpha: A »computational knowledge engine«

searchbip.com

Custom Search Google (???)

Enhanced by Google:

https://findanyanswer.com/

metager is a meta search engine that queries up to 50 other search engines. The result set does not rank higher what is clicked often.

TinEye: Reverse image search.

Unsplash: Photos for everyone (freely usable images)

Wallpaper Tab: Sleek, intuitive, and powerful search engine for everyone. - Search the web for sites, images, videos, news & more…

symbolhound.com helps programmers to search for special characters (such as !~ etc).

rseek: rstats search engine. Apparently, this search engine is used for the R programming language

Goobe, a useful programmer search.

Search encrypt

ekoru: search to save our oceans.

seeres*

https://www.crawlson.com/

biosc.xyz

usearch.id: positive search

gosearchresults.com

find-tco.appspot.com finds (Twitter)-tweets where a shortened URL in the https://t.co/… form occurs.

Compare with the advanced search capabilities offered by twitter:

from:@twittername, to:@twittername
keyword-one OR keyword-two
min-faves: n
min-retweets: n
filter:links, filter:images, filter:media
since:YYYY-MM-DD, until:YYYY-MM-DD
near:location within:15mi
lang:de
geocode:geocode:51.500726388675986,-0.12462106410488841,50km

lmgtfy.com

http://webfirst.online/

KidRex: Safe search for Kids, by Kids.

https://www.onesearch.com/

searchcode.com: search for source code

Awesome Open Source: Find Open Source

Even gmx has a search engine: suche.gmx.net.

https://nerdydata.com

https://www.sogou.com/

Search engines that claim to search privately etc.:

SearchLock is another search engine that promises to respect one's privacy.
yippi is also a search engine, this one with «unrivaled privacy».
Privado: search the web privately
swisscows.com:
MyPrivateSearch
gibiru unfiltered private search
alohafind.com: Private Search

https://find.alot.com/

search-results.com

d.search

With Lilo, your searches finance social and environmental projects without any cost.

Everythingwhat: Have you found yourself in situation when you have a question in mind and want a quick, to-the-point answer to it?

oceanhero recovers one plastic bottle for every five searches you do.

Ask!

http://www.zoeken.nl/

zanran.com (Search the web for data & statistics)

citeseerX: an evolving scientific literature digital library and search engine

biznar.com

carrot2.org organizes search results into topics.

yippy.com

http://dnserrorassist.att.net/

SlideShare: presentations, infographics, documents etc.

Presearch

côc côc

lukol an another(?) anonymous(?) search engine,
cbsearch.site
blackle is a search engine that saves energy because the screen is predominantly black
internet-start.net

https://search-7.com/

sosearcher (Safe Seaerch by Smarttab)

Avira

similarsites.com: Discover similar sites to known ones.

https://www.similarsitesearch.com

http://www.authorstream.com

boardreader: surfaces results purely from forums, message boards and reddit.

Quora

kvasir.no (?)

bing

gyphy: apparently: animated gifs.

http://www.mysearch.com

http://www.findpdfdoc.com

freefullpdf.com: Download free scientific publications.

aol.com

dothop.com

excite.com

??:

ecosia.org is like any other search engine and uses their profits to plant trees.

factbites.com

gigablast.com

info.com (white label search ?)

https://offshoreleaks.icij.org/

http://www.keywordspy.com

http://ubersuggest.org

http://www.sleipnirstart.com/ (?)

dogedoge.com, a Chinese search engine?

str-search.com

W3Catalog was an early search engine (released 1993).

Google and Bing search modifiers

search in	Google	Bing
Domain contains	`site:…`	`site:…`
Country is equal to	`&cr=countryXX`	`loc:XX`	XX = two letter abbreviation, for example CH = Switzerland
Language is equal to	`&lr=lang_xx`	`lang:xx`	xx = letter abbreviation, for example de = german
Date published	`&tbs=qgr:x`	`&tbs=qgr:x`	for example x = h for hour
Title contains	`title:…`	`title:…`
Anchor contains	`inanchor:…`	`inanchor:…`
Body contains	`intext:…`	`intext:…`
Filetype	`filetype:xxx`	`filetype:xxx`	xxx for example pdf

In order to negate a specification, it needs to be prefixed with a - (-site:bla.xy)

Alternatives can be formulated with parentheses and the OR keyword: ( "foo bar" OR site:foo.ab ).

See also advangle.com: it helps build complex web search queries.

Misc

easycounter.com: Countable data behind any site.

Chrome extension discover similar pages.

Source code might also be searched for with github's topics (https://github.com/topics).