Stella

Stella is an open-source legal workspace for legal teams, offering matter management, document storage, AI-powered document review, and a tabular review tool for analyzing documents at scale. The platform is free to use for core features, with AI capabilities available on a bring-your-own-key basis, and can be self-hosted on a team's own infrastructure. Stella is built around principles of transparency, data portability, and responsible AI use, with all AI outputs grounded in citations and traceable source material.