It provides annotation features for text classification, sequence labeling, and sequence to sequence tasks. You can create labeled data for sentiment analysis, named entity recognition, text …

Our goal is to allow folks to quickly and easily annotate text data by themselves or in small teams—going from zero to annotating in a matter of a few lines of configuration.

DoTAT: A Domain-oriented Text Annotation Tool. In Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics: System Demonstrations, pages 1–8, Dublin, Ireland.

Dec 16, 2025 · Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.

It is built on HTML5 techniques and many open-source packages, and was designed to be easy-to-use for your annotation task. No Java, no Python, no PHP, no Docker, no MySQL, and no need to install …

At ZenML we believe that annotation and labeling workflows are a core part of the machine learning lifecycle. As an open-source tool, we wanted to highlight and recognize the variety of tools that are …

The JSON file created by the tool is generic and simply lists the start and end of each entity. As such, the annotations are independent of the tagging format you intend to use (IO, IOB, IOBES, etc.).

webKnossos - webKnossos is an open-source web-based tool for visualizing, annotating, and sharing large 3D image datasets. It features fast 3D data browsing, skeleton (line-segment) annotations, …

doccano is an open source text annotation tool for humans. It provides annotation features for text classification, sequence labeling and sequence to sequence tasks.

This is a tool for labeling text documents. Slate supports annotation at different scales (spans of characters, tokens, and lines, or a document) and of different types (free text, labels, and links).