Apache Polaris
Apache Polaris is an open source catalog for Apache Iceberg tables, providing a centralized metadata layer that enables interoperability across different data lakehouse query engines. It implements the Apache Iceberg REST Catalog specification and allows multiple engines to read and write Iceberg tables through a common, vendor-neutral interface.
🔗 https://polaris.apache.org/ | GitHub: https://github.com/apache/polaris