Doccano
Open-source text annotation tool for NLP tasks.
About
Doccano is an open-source, web-based text annotation tool for building labeled datasets for natural language processing. It supports text classification, sequence labeling, and sequence-to-sequence tasks for use cases such as sentiment analysis, named entity recognition, and summarization, with team collaboration and import-export of common formats. It uses SQLite by default and is quick to set up. Released under the MIT license.
Reviews (0)
Leave a Review
No reviews yet. Be the first to review!
Details
- Category
- Data Labeling & Annotation
- Price
- Free
- Platform
- Local/Desktop
- Difficulty
- Beginner (1/5)
- License
- MIT
- Added
- Apr 3, 2026
Related Tools
Web-based tool for labeling images, text, audio, and documents.
Scriptable annotation tool by Explosion (spaCy team) for efficient labeling.
Simple image annotation tool for creating YOLO format labels.
Open-source toolkit for building high-quality datasets and computer vision models.
Image annotation tool for polygon, rectangle, circle, and line annotations.
Training data platform for images, video, 3D, text, and geo data.