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It resembles an open source annotation tool that has existed for years. https://brat.nlplab.org/

It doesn't include a ML assistant though.

We have built a semi-automated annotation tool for our internal use too. ML models help classify documents and extract named entities by making suggestions. Sometimes I'm thinking of spinning it off as a standalone product but not sure how big the market would be.

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We're fans of brat and are hoping to take it to the next level. We devoted many hours to ensuring a highly performant web app on the latest modern tech stack. Additionally we're expanding beyond a labeling interface to include semi-automated annotation, as well as team management capabilities.

I think the semi-automated annotation tool is quite the same with prodigy

Both can be described as semi-automated annotation, but we use different approaches! Datasaur allows you to plug in any pre-existing model to pre-label or validate your labels. One such model we integrate with is spaCy, so we're certainly fans of the Prodigy/Explosion team.

Yes it is more similar to Figure Eight Text Annotation which allows you to use pre-existing models including Spacy or you can bring your own model

https://www.figure-eight.com/platform/machine-learning-assis...

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