web-annotation

💡 dokieli is a clientside editor for decentralised article publishing, annotations and social interactions

Apache Annotator provides annotation enabling code for browsers, servers, and humans.

Web Annotation Working Group repository, see README for links to specs

Complete React example integrating ComPDF for Web — view, annotate, edit, sign, and manage PDF documents directly in the browser with a responsive React UI. Supports annotations, form filling, digital signatures, and document navigation.

A W3C and OA compliant Web Annotation server

A web annotation server built with the same principles as Git

Annotate any webpage with drawings, comments, and highlights. Real-time collaboration for Chrome.

A web extension for annotating the Web

Tests for the Web Annotation Working Group's deliverables

Annotation Repository

A curation of apps & tools that support the Web Annotation specification

A powerful, open-source Chrome extension for web annotation inspired by Zotero. Features intelligent highlighting, rich-text comments, cross-device sync, and full internationalization support for 6 languages. Built with Manifest V3, Tiptap editor, and advanced SPA compatibility.

Sticky notes for the web.

Praat++ — A web-based multimodal annotation tool for acoustic and video data.

Kreo lets you draw, highlight, and annotate directly on any webpage.

Chrome extension for highlighting and annotating web pages. Persists highlights and notes; optional Google Sheets backup.

Validate JSON objects against the Web Annotation Data Model specification

This is a Python module built for easing the construction of JSON object compliant with the Web Annotation Data Model in a production environment.

Ferramenta livre de analise qualitativa de dados (CAQDAS/QDA) que roda no navegador, sem instalacao: codificacao de texto e PDF, atributos por documento, pesquisa coletiva em camadas, REFI-QDA e W3C Web Annotation, IA opcional em BYOK. / Free browser-based qualitative data analysis software.

W3C Web Annotation implementation for creating, parsing, and serializing Web Annotations in JSON-LD, with support for HTML+RDFa embedding and DOM-based annotation application.