Open-source text annotation tool.
Doccano is an open-source text annotation tool that helps you label text data for machine learning projects, supporting various annotation tasks like text classification and named entity recognition.
Pricing Type
Billing
Billed monthly
Last checked: February 21, 2026
Categories
Platforms
Company
Doccano
Founded
Founded in 2018
Country
Language
English
Website
doccano.github.io