Editing Web annotation (section)

== Web Annotation Systems ==

===Comparison of web annotation systems===
Many of these systems require software to be installed to enable some or all of the features below. This fact is only noted in footnotes if the software that is required is additional software provided by a third party.
{{sort-under}}
{| class="wikitable sortable sort-under"
|-
! Annotation system !! {{verth|Private notes}} !! {{verth|Private group notes}} !! {{verth|Public notes}} !! {{verth|Notification}} !! {{verth|Highlighting}} !! {{verth|Formatted text}} !! Archives
! Viewing annotations !! API
! Open Source 
! {{verth|implements/exports/imports<br/>Web annotation standard}}!! Notes
|-
| [[A.nnotate]] || {{yes}} || {{yes}} || {{no}} || {{yes}}<ref>See [http://a.nnotate.com/notifications.html A.nnotate notifications]</ref> || {{yes}} || {{no}} || {{yes}}
|
| {{yes}}
| {{no}} (proprietary)
| {{Unknown}}|| Can annotate PDF, ODF, .doc, .docx, images, as well as web pages (but only a limited number in the free version)
|-
|Annotorius<ref>{{Cite web |title=Annotorious {{!}} JavaScript image annotation library |url=https://annotorious.github.io/ |access-date=2023-10-18 |website=annotorious.github.io}}</ref>
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|{{yes}}, via Google Firebase plugin<ref>{{Cite web |title=Getting Started: Storing Annotations |url=https://recogito.github.io/annotorious/getting-started/storing-annotations |access-date=2023-10-18 |website=recogito.github.io}}</ref>
|
|{{yes}}
|{{yes}} (BSD)<ref>{{Cite web |title=Annotorious {{!}} About |url=https://annotorious.github.io/about/ |access-date=2023-10-18 |website=annotorious.github.io}}</ref>
|{{yes}}<ref>{{Cite web |title=Annotorious & Web Annotation |url=https://recogito.github.io/annotorious/getting-started/web-annotation |access-date=2023-10-18 |website=recogito.github.io}}</ref>
|JavaScript image annotation library and plugin to [[Seadragon Software|OpenSeadragon]], also supports simple text annotations
|-
| [[Diigo]] || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{no}} || {{yes}}
|
| {{yes}}
| {{no}} (proprietary)
| {{Unknown}}|| Public annotations are only allowed for established{{Definition needed|date=March 2016}} users. Group tag dictionary feature to encourage tagging consistently within a group.
|-
| [[Hypothes.is]] || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} ||
|Chrome, via.hypothes.is
|{{yes}}
| {{yes}} (MIT, BSD)
| {{No}},<ref>{{Cite web |title=Hypothesis API documentation (v1) |url=https://h.readthedocs.io/en/latest/api-reference/v1/ |access-date=2023-10-18 |website=h.readthedocs.io}}</ref> but listed on Web Annotation wiki|| In February 2015, different features were announced,<ref>{{cite web |title=Trello |url=https://hypothes.is/roadmap/ |website=hypothes.is}}</ref> such as private group annotation, semantic tagging, moderation, etc. Web Annotation integration was discussed in 2014.<ref>{{Cite web |last=bigbluehat |date=2014-10-15 |title=Open Annotation RDFa using Hypothes.is JSON |url=https://web.hypothes.is/blog/open-annotation-rdfa-using-hypothes-is-json/ |access-date=2023-10-18 |website=Hypothesis |language=en-US}}</ref><ref>{{Cite web |title=Implementations - Web Annotation Wiki |url=https://www.w3.org/annotation/wiki/Implementations |access-date=2023-10-18 |website=www.w3.org}}</ref>
|-
| [[Org-mode]] (with extensions) || {{yes}} || {{no}} || {{no}}<ref>Technically, public annotations are possible via the "publish to HTML" feature of org mode -- but no method for notifications or discovery of public annotations written by others is currently known.</ref> || {{No}}<ref>But local annotations can be exposed to a firefox browser using [http://orgmode.org/worg/org-devel.html Fireforg].</ref>|| {{no}} || {{yes}} || {{no}}
|
| {{yes}}
|
| {{Unknown}}|| Emacs-based; requires technical knowledge to set up; not as user-friendly as some other solutions; non-Latin characters allowed in notes but not in tags
|-
|Recogito<ref>{{Cite web |title=Semantic Annotation without the pointy brackets |url=https://recogito.pelagios.org/ |access-date=2023-10-18 |website=recogito.pelagios.org}}</ref>
|{{yes}}
|{{yes}}
|{{yes}}
|
|{{yes}}
|
|
|{{yes}}
|{{yes}}
|{{yes}} (Apache)
|{{yes}}
|Annotation of named entities, linking with maps and [[Knowledge graph|knowledge graphs]], developed by the Pelagios network,<ref>{{Cite web |title=Welcome to Pelagios Network |url=https://pelagios.org/ |access-date=2023-10-18 |website=pelagios.org}}</ref> popular in [[Digital humanities|Digital Humanities]]
|}

===Discontinued web annotation systems===
{{Expand list|date=February 2011}}

{| class="wikitable sortable"
|-
! System !! Notes !! Date Discontinued 
|-
| Mosaic Browser 
| An early version of the Mosaic browser was tested with collaborative annotation feature in 1993<ref>{{cite web |last=Andreessen |first=Marc |date=1993-05-31 |title=group annotation server guinea pigs? |url=http://1997.webhistory.org/www.lists/www-talk.1993q2/0416.html |access-date=2017-11-08 |website=webhistory.org}}</ref> but never passed the test state.
| Never passed the test state
|-
| CritLink 
| Perhaps the earliest web annotation system. Developed in 1997–98 by Ka-Ping Yee of the University of California.<ref>{{cite web |last=Yee |first=Ka-Ping |year=2002 |title=CritLink: Advanced Hyperlinks Enable Public Annotation on the Web |id=[[CiteSeerX]]: {{url|1=http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.5.5050|2=10.1.1.5.5050}}}}</ref>  CritLink worked as an HTML "mediator", hence not requiring additional software or browser extensions but having limited support for modern [[JavaScript]]-driven websites.
|
|-
| [[Annotea]] 
| A [[W3C]] project that tried to establish a standard for web annotation. Annotea was conceived as part of the [[semantic web]]. According to the website, Annotea development stalled in October 2005.<ref>{{cite web |title=Annotea project |url=https://www.w3.org/2001/Annotea/}}</ref>
|
|-
| [[ThirdVoice]]
| A system launched in 1999. It was targeted by a campaign called Say No to TV,<ref>{{cite web |title=Say NO To Third Voice! - WEBMASTERS UNITE!! |url=http://worldzone.net/internet/pixelsnttv/index.html |url-status=dead |archive-url=https://web.archive.org/web/20010405170639/http://worldzone.net/internet/pixelsnttv/index.html |archive-date=April 5, 2001}}</ref> led by independent web hosts which likened ThirdVoice to "Web graffiti."<ref>{{cite web |title=The Web's New Graffiti? |url=https://www.wired.com/news/technology/0,1282,20101,00.html |url-status=dead |archive-url=https://web.archive.org/web/20011121120524/https://www.wired.com/news/technology/0,1282,20101,00.html |archive-date=November 21, 2001}}</ref> It was shut in April 2001 because it couldn't generate enough advertising revenue to stay in business.<ref>[http://archive.wired.com/techbiz/media/news/2001/04/42803?currentPage=all Third Voice Trails Off], ''Wired News'', April 4, 2001</ref>
| April 2001
|-
| [[Delicious (website)|Delicious]] 
| Founded in 2003 and provided cloud bookmarks with optional descriptions (a form of annotation) of up to 1000 characters. It was rumoured that it would be shut down in 2010, but it was only actually finally shut down in 2017 when it was acquired by Pinboard, a competitor.
| 2017
|-
| Wikalong
| A Firefox plugin created in 2004 that provided a publicly editable mediawiki page in the margin of any webpage. (It was later accessible in other browsers via a bookmarklet.) Common uses were note-taking and discussion about the website. On Google, the Wikalong margin provided a variety of useful tips and shortcuts for searching. The project was discontinued in 2009 when the storage wiki went offline. It had been suffering from [[Spamdexing|link spam abuse]].<ref>[https://addons.mozilla.org/en-US/firefox/addon/wikalong/ Wikalong Firefox Addon], Oct 1, 2006</ref><ref>{{cite web |title=SEO – SEO-Optimierung |url=http://www.wikalong.org/ |website=www.wikalong.org}}</ref>
| 2009
|- 
| [[Fleck*]] 
| Launched in 2005 with much publicity as a stick-it notes application for the web. A patent, funding and marketing didn't stop it from failing. Discontinued in 2010.<ref>[https://thenextweb.com/socialmedia/2010/05/10/farewell-fleck-com/ Farewell Fleck.com, "The Next Web"], May 10, 2010</ref>
| 2010
|-
| [[stet (software)|stet]] 
| Stet was the [[Gplv3]] comment system.<ref>{{cite web |author=<!--Staff writer(s); no by-line.--> |date=11 May 2011 |title=Comment system |url=http://gplv3.fsf.org/wiki/index.php/Comment_system |access-date=28 July 2016 |publisher=[[Free Software Foundation]]}}</ref>
|
|-
| Crocodoc
| Launched in 2007, dabbled in web page annotation as part of its broader mission. It was originally developed in Adobe Flash. It was acquired by Box.com in 2013<ref>{{cite web |date=9 May 2013 |title=Box acquires Crocodoc to turn all those docs you upload into HTML5 masterpieces |url=https://venturebeat.com/2013/05/09/box-acquires-crocodoc-to-turn-all-those-docs-you-upload-into-html5-masterpieces/ |access-date=12 June 2016 |publisher=[[VentureBeat]]}}</ref> and the web annotation side of it was shut down two years later.<ref>{{cite web |date=5 August 2015 |title=Box is Shutting Down Crocodoc Personal and Webnotes on November 1 |url=https://venturebeat.com/2015/08/05/box-is-shutting-down-crocodoc-personal-and-webnotes-on-november-1/ |access-date=12 June 2016 |publisher=[[VentureBeat]]}}</ref>
| 2009
|-
| [[Blerp]]
| Launched in 2009. A multimedia, extensible tool for annotating web pages with widgets viewable by any other Blerp user.
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|-
| [[Google Sidewiki]]
| Launched in 2009. A part of Google Toolbar that allowed users to write comments alongside any web page. It was discontinued in December 2011.
| December 2011
|- 
| [[SharedCopy]] 
| An AJAX based web annotation tool that allowed users to mark-up, highlight, draw, annotate, cache, sticky-note and finally share any website.
|- 
| [[Genius (company)#News Genius|Genius Web Annotator]] 
| Formerly knows as News Genius, launched in 2016.<ref>{{cite web |title=News Genius |url=https://genius.com/a/news-genius |access-date=2022-05-27 |website=Genius |language=en}}</ref> As of May 2022, the Chrome and Wordpress extensions are discontinued, and the bookmarklet provided on [https://genius.com/web-annotator the official website] does not work.  As of August 2022, it is not possible to log in and leave new annotations.
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