Argilla, now part of Hugging Face, develops Argilla as a data-annotation collaboration tool.

Argilla lets engineers and domain experts label and curate high-quality datasets for classification, RAG, preference tuning, and multimodal models.

Hosted on GitHub under argilla-io, deployable via Docker or Hugging Face Spaces.

First released in 2021, with continued development after joining Hugging Face in 2024.

Built to streamline human-in-the-loop feedback collection for fine-tuning and evaluation datasets.

Installs via pip, runs as a server with a Python SDK, integrates with the Hugging Face Hub.

Open source under Apache 2.0, self-hosted or via Hugging Face Spaces, no credentials required for local use; maintained by Hugging Face.