A
Apache Polaris
Founded 2024
Sourced & current · updated May 4, 2026
Open-source REST Iceberg catalog. Originated at Snowflake; donated to Apache Software Foundation August 2024. v1.0 incubating July 2025. Direct competitor to Databricks Unity Catalog.
Where they sit
Stack tier: Infrastructure & Data (B)
Data Management Platform
Leading open-source Apache Iceberg REST catalog; positioned as the vendor-neutral alternative to proprietary catalogs like Databricks Unity Catalog
Ownership
Parent: Apache Software Foundation