HackerReposA FIELD GUIDE TO OPEN SOURCE
ProSponsor the shelf♧ 0
← Back to top all-time
openannotation
annotator
JavaScript2014–2022
openannotation / annotator

annotator

Annotation tools for the web. Select text, images, or (nearly) anything else, and add your notes.

2Distinct people
3Mentions
0Explicit recommenders
2.8KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Annotation tools for the web. Select text, images, or (nearly) anything else, and add your notes.

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

Mentioned in the same Hacker News threads. That is not proof they are substitutes.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 6:01:08 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year3 dated mentions

Observed mentions: 2014-05-28 03:27:42 UTC to 2022-02-03 03:07:50 UTC.

0122014-01-01 00:00:00 UTC to 2015-01-01 00:00:00 UTC (exclusive): 2 mentions; 2 submissions, 0 comments20142015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments20182019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2022

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20142014-01-01 00:00:00 UTC2015-01-01 00:00:00 UTC220
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC000
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC000
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC000
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC000
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC000
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC000
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC101

What Hacker News says

2 sources

SEEKING FREELANCER – Work on a Web-Based Document Rendering and Tool

Many of the world's most important documents are locked away in PDFs - perhaps the world's worst file format. Let's work to right that wrong. I am assembling a team of sharp individuals to design and develop an application that can be used to render PDFs in a browser with zero loss of fidelity (this is important as many of my use cases deal with TeX) and functions to annotate and markup the document. Markup could be collaborative.<p>The tools available in the marketplace are subpar at best - let's raise the bar and give people tools they're actually excited to use :-)<p>Some potential components: https://github.com/coolwanglu/pdf2htmlEX https://github.com/kermitt2/grobid https://github.com/openannotation/annotator https://github.com/hyperstudio/Annotation-Studio https://developers.google.com/drive/realtime/overview http://quilljs.com/<p>F
Read the rest
ind me on Skype at tom.p.griffin or you may email me at innovation@ieee.org. Looking forward to speaking with you and seeing how you can help :) :) :)
1 points · Open discussion

WTB Top Talent: Work on a Web-Based Document Rendering and Annotation Interface

Many of the world's most important documents are locked away in PDFs - perhaps the world's worst file format. Let's work to right that wrong. I am assembling a team of sharp individuals to design and develop an application that can be used to render PDFs in a browser with zero loss of fidelity (this is important as many of my use cases deal with TeX) and functions to annotate and markup the document. Markup could be collaborative. The tools available in the marketplace are subpar at best - let's raise the bar and give people tools they're actually excited to use :-) Some potential components: https://github.com/coolwanglu/pdf2htmlEX https://github.com/kermitt2/grobid https://github.com/openannotation/annotator https://github.com/hyperstudio/Annotation-Studio https://developers.google.com/drive/realtime/overview http://quilljs.com/ Find me
Read the rest
on Skype at tom.p.griffin or you may email me at innovation@ieee.org. Looking forward to speaking with you and seeing how you can help :) :) :)
1 points · Open discussion

MAKE YOURSELF AT HOME

A few shortcuts

/
Search the collection
?
Open this guide
Esc
Close dialogs and navigation

Your saved repositories and interests stay in this browser.