Label Studio is a multi-type data labeling and annotation tool with standardized output format

CytoBrowser, a JavaScript and Node.js driven environment for fast and accessible collaborative online visualization, assessment, and annotation of very large microscopy images.

SingleFile version compatible with Manifest V3. The future, right now!

Web Extension for saving a faithful copy of a complete web page in a single HTML file

An open-source, web-based 'multi-up' viewer that supports zoom-pan-rotate functionality, ability to display/compare simple images, and images with annotations.

TensorFlow record (.tfrecord) API for Node.JS and Browsers

An open source online platform for collaborative image labeling of almost everything

AmiGO is the public interface for the Gene Ontology.

Include is a tool built to make annotating for accessibility (a11y) easier—easier for designers to spec and easier for developers to understand what is required.

A GitHub Action that registers a problem matcher for htmllint's report format

Multitrack Web Audio editor and player with canvas waveform preview. Set cues, fades and shift multiple tracks in time. Record audio tracks or provide audio annotations. Export your mix to AudioBuffer or WAV! Add effects from Tone.js. Project inspired by Audacity.

✨ [AVI 2020] A prototype platform for lesion annotations and manual segmentation on breast cancer diagnosis with a multimodality strategy. The work was presented in the Advanced Visual Interfaces (AVI) conference.

A video annotation service that is suitable for research, teaching and learning

Create interactive screencasts inside Jupyter Notebook that anybody can play back

Keeping It Simple is Hard

Annotation environment for syntactic analysis of natural language

Annotate videos frame-by-frame collaboratively

Extract iBooks highlights

Full-featured PDF viewer with enhancements especially for academic papers

WebViewer sample to show how you can create a real time collaboration app with WebViewer using WebSocket, SQLite3, and Node.js server.