ActiveTigger

activetigger.com · checked 14 Nov 2026

#13 · Active Learning Tools

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How it plugs in

—Public API

NoOpen source

NoFree tier

Signal on Active Learning Tools4.8#13 of 16

ActiveTigger is an open-source web tool for collaborative corpus annotation and classification, designed for computational social scientists.

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: activetigger.com
Price: Not published
Free trial: Not stated
Classification: Users can fine-tune and evaluate a BERT classifier, then apply it to the corpus.
Codebooks: Users can define annotation schemes and guidelines for categories.
Collaboration: Multiple annotators can work in parallel and compare results; active learning can select the next example.
Corpus exploration: Users can browse texts, search by keywords, visualize the corpus as a 2D projection, and run topic models.
Data types: The product handles text and images.
Exports: Users can download annotations, predictions, fine-tuned models, and project summaries in open formats.
Installation: The source code is described as Python/React and ships with a Docker setup.
Maker: ActiveTigger is developed by the CSS@IP-Paris team at the CREST research unit, with support from OuestWare.
Privacy and deployment: The open-source product can be run on a user's own infrastructure for sensitive data.
Python client: The at-cli-client wraps the API for scripts and notebooks.
Scale and language: The site says it has been tested on corpora of hundreds of thousands of documents and supports multilingual models.
Support: The site directs users to Discord, the issue tracker, or email for questions and feedback.

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