Search for images by “photo upload” & “photo URL reference” is just available with desktop browsers ( Firefox, Chrome,.. ), not by smartphone browesers ( Firefox, Chrome,.. ).
Arnetminer - “Search and mining of academic social networks”, “Aims to provide comprehensive search and mining services for researcher social networks”.
Comp Wisdom - “Meaningful results bit by bit”, “A new search engine to make your search for useful information on computers and the Internet easier. We have thousands of relevant results in our database relating to IT”.
cRANKy - “The world’s first age-relevant search engine”.
OpenGrey - “System for Information on Grey Literature in Europe, is your open access to 700.000 bibliographical references of grey literature (paper) produced in Europe and allows you to export records and locate the documents. Examples of grey (gray) literature include technical or research reports, doctoral dissertations, some conference papers, some official publications, and other types of grey literature”.
Lumen - “The Lumen database collects and analyzes legal complaints and requests for removal of online materials, helping Internet users to know their rights and understand the law. These data enable us to study the prevalence of legal threats and let Internet users see the source of content removals”.
“If you expected to find matches, TinEye may not have crawled the website or page where your image appears. TinEye constantly crawls the web and adds tens of millions of new images to the TinEye index every month... TinEye finds exact and altered copies of images by looking at the actual pixels, but it doesn't know what the image represents (a chair, a waterfall, etc.)”.
BuzzSumo - Select “Content Research / Most Shared”.
“Find the Most Shared Content and Key Influencers”.
“Analyze what content performs best for any topic or competitor.Find the key influencers to promote your content”.
Sam Ovens ( see Marketing and Self-Marketing ) suggested it in 2018-07 to find the most important blogs of your market niche, as self-employed ( consultant )!
“View ZZZ more results for “XXX” with BuzzSumo Pro!” .
“You’ve Reached Your Daily Limit. To continue searching, please log in or start a free trial. If you'd prefer not to upgrade at the end of the trial, you can switch to our limited free version” .
Search for “collection:wide00002” to find webwide crawldata .
archive.is - webpage caputure - “your personal Wayback Machine!”, “My url is alive and I want to archive its content”, “I want to search the archive for saved snapshots”.