doccano is an open source text annotation tool for humans. It provides annotation features for text classification, sequence labeling and sequence to sequence tasks. So, you can create labeled data for sentiment analysis, named entity recognition, text summarization and so on. Just create a project, upload data and start annotating. You can build a dataset in hours.

You can try the annotation demo.

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

Two options to run doccano:

• production,
• development.

To use doccano, please follow:

You need to install dependencies:

• Git,
• Docker,
• Docker Compose.

You need to clone the repository:

$ git clone https://github.com/doccano/doccano.git
$ cd doccano

Note for Windows developers: Be sure to configure git to correctly handle line endings or you may encounter status code 127 errors while running the services in future steps. Running with the git config options below will ensure your git directory correctly handles line endings.

git clone https://github.com/doccano/doccano.git --config core.autocrlf=input

Set the superuser account credentials in the docker-compose.prod.yml file:

ADMIN_USERNAME: "admin"
ADMIN_PASSWORD: "password"

If you use Google Analytics, set the tracking:

GOOGLE_TRACKING_ID: "UA-12345678-1"

Run doccano:

$ docker-compose -f docker-compose.prod.yml up

Go to http://0.0.0.0/.

Set the superuser account credentials in the docker-compose.dev.yml file:

ADMIN_USERNAME: "admin"
ADMIN_PASSWORD: "password"

Run Doccano:

$ docker-compose -f docker-compose.dev.yml up

Go to http://127.0.0.1:3000/.

If you want to add annotators/annotation approvers, see Frequently Asked Questions

Service	Button
AWS1
Azure
GCP2
Heroku

As with any software, doccano is under continuous development. If you have requests for features, please file an issue describing your request. Also, if you want to see work towards a specific feature, feel free to contribute by working towards it. The standard procedure is to fork the repository, add a feature, fix a bug, then file a pull request that your changes are to be merged into the main repository and included in the next release.

Here are some tips might be helpful. How to Contribute to Doccano Project

@misc{doccano,
  title={{doccano}: Text Annotation Tool for Human},
  url={https://github.com/doccano/doccano},
  note={Software available from https://github.com/doccano/doccano},
  author={
    Hiroki Nakayama and
    Takahiro Kubo and
    Junya Kamura and
    Yasufumi Taniguchi and
    Xu Liang},
  year={2018},
}

For help and feedback, please feel free to contact the author.