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

The free and privacy-friendly screen recorder with no limits 🎥

Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.

Open source audio annotation tool for humans

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

Project has moved to http://github.com/annotorious/annotorious

Computer vision based ML training data generation tool 🚀

Label Objects and Save Time (LOST) - Design your own smart Image Annotation process in a web-based environment.

Data labeling react app that is backend agnostic and can be embedded into your applications — distributed as an NPM package

Out-of-the-box Annotation Toolbox

A JavaScript library for text annotation

An infinitely customizable image annotation library built on React

Ybat - YOLO BBox Annotation Tool

ML data annotations made super easy for teams. Just upload data, add your team and build training/evaluation dataset in hours.

Labelling platform for text using weak supervision.

MATILDA: Multi-AnnoTator multi-language Interactive Lightweight Dialogue Annotator

Semi-automatic tool for manual segmentation of multi-spectral and geo-spatial imagery.

FoLiA Linguistic Annotation Tool -- Flat is a web-based linguistic annotation environment based around the FoLiA format (http://proycon.github.io/folia), a rich XML-based format for linguistic annotation. Flat allows users to view annotated FoLiA documents and enrich these documents with new annotations, a wide variety of linguistic annotation t…

A modular annotation tool for genomic variants

A simple, open source text highlighter that allows you to add custom functions to it. It basically lets you build your own 'Medium' style editor.