Metaflow
Metaflow is an open-source framework for building and managing real-life ML, AI, and data science projects. Originally developed at Netflix and now supported by Outerbounds, Metaflow streamlines the entire development lifecycle—from rapid prototyping in notebooks to reliable production deployments. It unifies code, data, and compute at every stage, enabling teams to iterate quickly and deliver robust AI/ML systems. Used by Amazon, Doordash, Goldman Sachs, and many others.