doccano

7.5easy start · #4 of 21
in AI Data Labeling Tools

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Android, api, iOS, Linux, Mac, self-hosted, Web, Windows.

doccano is ranked #4 of 21 in AI data labeling tools on The Geeks Club. It runs on Android, API, iOS, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

doccano plans and pricing

All plans

MIT-licensed software Free free of charge · use, copy, modify, publish, distribute, sublicense, sell github.com · 30 Sept 2026

Compared on AI data labeling tools

Supported modalities: text, image, audio
Model-assisted labeling: Yes
Human review workflows: Yes
Custom ontologies: Yes
Deployment options: self hosted
API access: Yes

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The record

Purpose: doccano is an open-source text annotation tool for humans and machine-learning practitioners.
Task types: It supports text classification, sequence labeling, and sequence-to-sequence tasks.
Use cases: The project lists sentiment analysis, named-entity recognition, and text summarization as examples.
Collaboration: Features include collaborative annotation, multi-language support, mobile support, emoji support, and a dark theme.
Workflow: Users can create projects, import datasets, add users, define annotation guidelines, annotate data, and export labeled datasets.
API: doccano provides REST APIs for integrating it with scripts and machine-learning models.
Installation: The official project documents installation with pip, Docker, and Docker Compose.
Runtime requirement: The documentation says doccano can be installed on Linux, Windows, or macOS machines running Python 3.8 or newer.
Cloud deployment: The project documents one-click deployment options for AWS and Heroku and deployment anywhere by Docker.
Storage integrations: Supported cloud storage backends for imported datasets are Amazon S3 and Google Cloud Storage.
Database options: SQLite 3 is the default database, and the documentation also describes PostgreSQL and other database systems.
Task queue integrations: doccano uses Celery for long-running import and export tasks and documents SQLite3, RabbitMQ, and Redis as message-broker options.
Security status: The GitHub repository says no SECURITY.md security policy has been detected and no security advisories have been published.
Support: The documentation directs users who are stuck to the FAQ and says help and feedback can be sent to the author.
Price from: Free

Where it ranks on The Geeks Club

Best AI Data Labeling Tools in 2026#4 of 21

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Sources

github.com/doccano/doccano· checked 30 Sept 2026
doccano.github.io/doccano/· checked 30 Sept 2026
doccano.github.io/doccano/install_and_upgrade_doccano/· checked 30 Sept 2026
doccano.github.io/doccano/setup_cloud_storage/· checked 30 Sept 2026
github.com/doccano/doccano/security· checked 30 Sept 2026
github.com/doccano/doccano/blob/master/LICENSE· checked 30 Sept 2026