Flower

Flower (Flower Labs) is an open-source federated AI platform and framework that enables organizations to train machine learning models on distributed and sensitive data without centralizing it. By moving computation to the data rather than the reverse, Flower enables privacy-preserving AI across healthcare, finance, automotive, and personal computing use cases. The platform is the world's largest community for Collaborative AI, with 7,000+ GitHub stars, 2,500+ ecosystem projects, and clients including Brave, Banking Circle, and Nokia. Y Combinator-backed and founded by AI researchers, Flower supports all major ML frameworks including PyTorch, TensorFlow, JAX, and Hugging Face.