doccano
by doccano (organization)
Open source annotation tool for machine learning practitioners. (description from the project’s GitHub page)
Repository facts
- Stars
- 10,802
- Forks
- 1,822
- Open issues and pull requests
- 399
- Primary language
- Python
- License
- MIT License (MIT)
- Owner
- doccano · Organization
- Created
- May 9, 2018
- Last push
- Apr 14, 2026
Topics
Add this badge to your README
Shows this repository’s rank in AI on GitHub and links back to this page. Ranks are by stars and change when the list is refreshed. The badge is not an endorsement or a rating. About the badges
Markdown (for a README)
[](https://unitedstatesofamericasuperintelligence.com/github/doccano--doccano/)
HTML
<a href="https://unitedstatesofamericasuperintelligence.com/github/doccano--doccano/"><img src="https://unitedstatesofamericasuperintelligence.com/badges/github/doccano--doccano.svg" alt="Ranked #752 in AI on GitHub" height="20"></a>
Related projects
Projects that share this one’s GitHub topics.
Rank 288: HumanSignal/label-studio
Label Studio is a multi-type data labeling and annotation tool with standardized output format
28,487 starsTypeScriptApache-2.0Last push Oct 16, 2026
Rank 4,629: code-kern-ai/refinery
The data scientist's open-source choice to scale, assess and maintain natural language data. Treat training data like a software artifact.
1,473 starsPythonApache-2.0Last push Dec 9, 2024
Rank 1,565: argilla-io/argilla
Argilla is a collaboration tool for AI engineers and domain experts to build high-quality datasets
5,157 starsPythonApache-2.0Last push Oct 12, 2026
Rank 3,556: UniversalDataTool/universal-data-tool
Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.
2,074 starsJavaScriptMITLast push Mar 15, 2025
Rank 690: cleanlab/cleanlab
Cleanlab's open-source library is the standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.
11,712 starsPythonApache-2.0Last push Jan 13, 2026
Rank 3,784: diffgram/diffgram
The AI Datastore for Schemas, BLOBs, and Predictions. Use with your apps or integrate built-in Human Supervision, Data Workflow, and UI Catalog to get the most value out of your A…
1,911 starsPythonOther licenseLast push Jun 22, 2026