MLflow

MLflow is the largest open-source AI engineering platform for agents, LLMs, and ML models, backed by the Linux Foundation. Trusted by thousands of organizations worldwide with over 30 million monthly package downloads, MLflow enables teams to debug, evaluate, monitor, and optimize production AI applications. It provides experiment tracking, model evaluation, observability, prompt management, an AI Gateway for cost and access control, and agent deployment tooling — covering the full AI lifecycle under an Apache 2.0 license with no vendor lock-in.