Home Projects doccano
doccano
Python

doccano

Open source annotation tool for machine learning practitioners.

by doccano · GitHub
Stars
Forks
License
Created
Last commit
Language
annotation-tooldata-labelingdatasetMITPython
View on GitHub
In plain words

Label text data for machine learning projects quickly using this open-source annotation tool.

You maintain this project?

Claim its page: indexed whatever its rank, translated into six languages, and enriched with what you write yourself.

Claim this page →
doccano — GitHub preview card
📈 Star history
10.70k10.69k
2026-07-042026-08-31
📈 Track doccano

Get an email alert on its next release or when it starts trending — never miss the moment.

Free · no card · unsubscribe anytime
Get email alerts →
📄 About

Open source annotation tool for machine learning practitioners.

doccano has 10.7k stars on GitHub. It has been forked 1.8k times. doccano is written mainly in Python. It has been in active development since 2018. doccano is available under the MIT license. Its main topics are annotation-tool, data-labeling, dataset, datasets.

Frequently asked questions

What is doccano?

Open source annotation tool for machine learning practitioners.

Is doccano open source?

doccano is an open-source project. It is released under the MIT license.

Is doccano free?

Yes. doccano is free and open source — you can use, modify and self-host it.

What license does doccano use?

doccano is available under the MIT license.

What language is doccano written in?

doccano is written mainly in Python.

🏅 Maintainer of this project?
olud.ai badge — doccano

Add this live badge to your README — your GitHub stars and directory rank, refreshed daily.

[![olud.ai](https://olud.ai/badge.php?tool=doccano-doccano)](https://olud.ai/project/doccano-doccano.html)
More badge options →
🧬 Shares DNA with🧬 View the DNA map →

Measured from GitHub topics shared by both projects, weighted by how rare each topic is.