
Apache Arrow DataFusion
5.9#17 in query engine softwareFree planFree planLinuxmacOSSelf-hosted
Visit

DataFusion suits developers building custom database or analytics systems, especially those who want to extend query sources or engine components. Its core in-process design fits workloads that do not require distribution through the core project.
Starburst Enterprise Context Layer suits teams that need governed, versioned data products for BI tools, APIs, AI agents, or apps. It is aimed at regulated industries including financial services, healthcare, insurance, and government.