Apache Iceberg is an open table format bringing ACID transactions, schema evolution, and time travel to data lake tables, with broad engine support.

Delta Lake is an open-source table format providing ACID transactions, schema enforcement, and time travel over Parquet files, closely integrated with Spark and Databricks.

Trino is an open-source distributed SQL engine that queries data where it lives — object storage, lakehouse table formats, and operational databases — through a single interface.