Doccano

7.5easy start · #5 of 24
in Data Labeling Software

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

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

Doccano is ranked #5 of 24 in data labeling software on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Doccano plans and pricing

All plans

doccano Free Open-source annotation tool; install with pip, Docker, or Docker Compose github.com · 3 Oct 2026

Compared on data labeling software

Image annotation: Yes
Text annotation: Yes
Audio/video annotation: Yes
Model-assisted labeling: Yes
Review workflow: Yes
API or SDK access: Yes
Deployment: both

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The record

Purpose: Doccano is an open-source data labeling tool for machine learning practitioners.
Annotation tasks: The roadmap lists text classification, sequence labeling, and sequence-to-sequence annotation as supported tasks.
Labeling workflow: Users can configure a project, import datasets, add users, annotate data, and export labeled datasets.
REST API: Doccano can be integrated with scripts through REST APIs for labeling data with machine learning models.
Web interface: The frontend is a JavaScript web app built with Vue.js and Nuxt.js.
Supported systems: The install guide says doccano can be installed on Linux, Windows, or macOS machines running Python 3.8 or later.
Cloud storage: The cloud storage guide lists Amazon S3 and Google Cloud Storage for storing imported datasets.
Team collaboration: The roadmap lists collaboration with multiple people as supported functionality.
Database options: SQLite 3 is the default database, and the installation guide also describes PostgreSQL and mentions MySQL as an option.
Upgrade limitation: The installation guide warns that upgrading can lose the database when SQLite3 is used.
Support: The getting-started page directs users to the FAQ and says they can contact the author for help and feedback.
Use cases: It can create labeled data for sentiment analysis, named entity recognition, and text summarization.
Collaboration: Features include collaborative annotation and multi-language support.
Interface: The project lists mobile support, emoji support, and a dark theme among its features.
Price from: Free

Where it ranks on The Geeks Club

Best Data Labeling Software in 2026#5 of 24

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Sources

doccano.github.io/doccano/· checked 2 Oct 2026
doccano.github.io/doccano/roadmap/· checked 2 Oct 2026
doccano.github.io/doccano/install_and_upgrade_doccano/· checked 2 Oct 2026
doccano.github.io/doccano/setup_cloud_storage/· checked 2 Oct 2026
github.com/doccano/doccano· checked 3 Oct 2026
doccano.github.io/doccano/advanced/auto_labelling_config/· checked 3 Oct 2026
doccano.github.io/doccano/advanced/oauth2_settings/· checked 3 Oct 2026