CocoIndex is an open-source engine for data indexing, focusing on data extraction, transformation, and indexing. It supports custom data transformation logic and incremental updates, enabling efficient handling of large-scale data streams. The product primarily targets data scientists, engineers, and enterprise users, aiming to simplify data indexing workflows and improve data processing efficiency. CocoIndex offers open-source and enterprise-level services; the open-source version is completely free, while the enterprise-level service provides additional support and features to meet the needs of different users.