This document discusses Apache NiFi and Apache MiNiFi. It begins with an overview of NiFi, describing its key features like guaranteed delivery, data buffering, and data provenance. It then introduces MiNiFi as a smaller version of NiFi that can operate on edge devices with limited resources. A use case is presented of a courier service gathering data from disparate sources using both NiFi and MiNiFi. The document concludes by discussing the NiFi ecosystem and encouraging participation in the community.