lens.org

The Lens

Who runs The Lens, what it tracks and what it costs, and the 20 closest patent and scholarly search alternatives.

Who’s behind it
Not stated
Online since
Unknown
Trackers
Prices
No pricing page
Last price change
–
Closest alternative
OpenAlex

Measured from The Lens’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

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01 · Who’s behind it

Who runs The Lens

The Lens lens.org

The Lens serves all the patents and scholarly work in the world as an open and secure digital public good, with user privacy a paramount focus.

Wikidata: online article and patent search facility and knowledge resource

Company
No imprint we could read
Online since
Not in the Internet Archive
Audience
In English

02 · Privacy

What The Lens tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

tracker that follows visitors

6 of the 14 alternatives below have fewer, 2 have more.

Privacy-friendly alternatives →
Cookie banner
None found
US company
1 tool
  • Visitor analytics

    Counts and follows visits, usually with cookies.

  • Third-party embeds

    Videos, maps or fonts from other companies, which receive the visitor’s IP address.

03 · Alternatives

Alternatives to The Lens

Thumbs up if it’s a real alternative to The Lens, thumbs down if it isn’t.

Fewer trackers than The LensNo ad trackersRegistered in the EUFree planOnly in English

19 of the 60 sites closest to The Lens match.

  1. 01
    OpenAlex openalex.org English No trackers

    OpenAlex: The open catalog to the global research system

    OpenAlex indexes half a billion scholarly works, with their authors, institutions, sources and topics, and makes them free to search, analyze and reuse through our web app, API and bulk download.

    Compare OpenAlex with The Lens →
  2. 02
    Google google.com Top 100 German No trackers

    Google

    search engine by Google LLC

    Compare Google with The Lens →
  3. 03
    Khan Academy khanacademy.org Top 10K English No trackers

    Client Challenge

    non-profit educational organization

    Compare Khan Academy with The Lens →
  4. 04
    PostgreSQL postgresql.org Top 10K English No trackers

    PostgreSQL: The world's most advanced open source database

    The official site for PostgreSQL, the world's most advanced open source database

    Compare PostgreSQL with The Lens →
  5. 05
    LibreTexts libretexts.org English No trackers

    Home | LibreTexts

    open access educational resource collection

    Compare LibreTexts with The Lens →
  6. 06
    British and Irish Legal Information Institute bailii.org English No trackers

    Making sure you're not a bot!

    legal database

    Compare British and Irish Legal Information Institute with The Lens →
  7. 07
    JSTOR jstor.org Top 10K English No trackers

    Client Challenge

    distributor of eBooks and other digital media

    Compare JSTOR with The Lens →
  8. 08
    MetaCPAN metacpan.org English No trackers

    Search the CPAN - metacpan.org

    open source search engine for the Comprehensive Perl Archive Network (CPAN)

    Compare MetaCPAN with The Lens →
  9. 09
    OpenStax openstax.org English No trackers

    OpenStax

    OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!

    Compare OpenStax with The Lens →
  10. 10
    Scholarpedia Journal scholarpedia.org No trackers

    peer-reviewed open-access journal

    Compare Scholarpedia Journal with The Lens →
  11. 11
    Wikidata wikidata.org Top 10K English No trackers

    Wikidata

    free multilingual online knowledge graph

    Compare Wikidata with The Lens →
  12. 12
    MusicBrainz musicbrainz.org English No trackers

    MusicBrainz - the open music encyclopedia

    online music metadata database

    Compare MusicBrainz with The Lens →
  13. 13
    Wikibooks wikibooks.org Top 10K English No trackers

    Wikibooks

    free multilingual online collection of textbooks

    Compare Wikibooks with The Lens →
  14. 14
    sqlite.org Top 10K No trackers

    SQLite Home Page

    serverless relational database management system (RDBMS)

    Compare sqlite.org with The Lens →
  15. 15
    dejure.org German No trackers

    d e j u r e . o r g - Gesetze und Rechtsprechung

    Gesetze, Gesetzestexte, Rechtsprechung, europäisches, deutsches und baden-württembergisches Recht

    Compare dejure.org with The Lens →
  16. 16
    Swift swift.org English No trackers

    Swift Programming Language

    Swift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns.

    Compare Swift with The Lens →
  17. 17
    frontiersin.org Top 1K English No trackers

    Frontiers | Publisher of peer-reviewed articles in open access journals

    Open access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.

    Compare frontiersin.org with The Lens →
  18. 18
    MediaWiki mediawiki.org Top 10K English No trackers

    MediaWiki

    free and open-source wiki software, developed by the Wikimedia Foundation

    Compare MediaWiki with The Lens →
  19. 19
    Wikipedia wikipedia.org Top 100 English No trackers

    Wikipedia

    Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

    Compare Wikipedia with The Lens →

Closest first, by how much each site’s offer resembles The Lens’s. Trackers are counted the same way as above. Highlighted technologies are ones The Lens uses too. Votes and comments come from visitors and don’t change the order.

04 · History

No changes yet. Each new crawl is compared with the last one, and what The Lens adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack, the competitor map and search numbers · 12 technologies
Neighbours
k = 60
Sites searched
9,216
Vector
384-d
Query
37 ms

Competitor map

Each alternative by how close its vector is to The Lens’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.

similarity × popularity

dejure.orgsqlite.orgWikibooksJSTORBritish and Irish Legal Information InstituteLibreTextsPostgreSQLKhan AcademyGoogleOpenAlex

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