This open-source tool ‘Doccano’ provides annotation features for text classification

Doccano is an open-source text annotation tool for machine learning professionals. It sets annotation features for sequence labeling, text classification and sequence to sequence tasks. It has multiple applications like creating labeled data for sentiment analysis, named entity recognition, text summarization and so on.

Unlike other free open source annotation tools such as Brat and Anafora, Doccano has better modern UX experience. Other modern text annotations tools exist like Prodigy and LightTag, but they cost a lot.

Features include:

  • Collaborative annotation
  • Multi-language support
  • Mobile support
  • Emoji ? support
  • Dark theme
  • RESTful API



Two options to run Doccano

  1. Docker Compose
$ git clone
$ cd doccano
$ docker-compose -f up

2. Docker

docker pull chakkiworks/doccano
docker container create --name doccano \
  -e "ADMIN_USERNAME=admin" \
  -e "" \
  -e "ADMIN_PASSWORD=password" \
  -p 8000:8000 chakkiworks/doccano



Asif Razzaq is the CEO of Marktechpost Media Inc.. As a visionary entrepreneur and engineer, Asif is committed to harnessing the potential of Artificial Intelligence for social good. His most recent endeavor is the launch of an Artificial Intelligence Media Platform, Marktechpost, which stands out for its in-depth coverage of machine learning and deep learning news that is both technically sound and easily understandable by a wide audience. The platform boasts of over 2 million monthly views, illustrating its popularity among audiences.

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