Snowflake is a commercial cloud data platform offering elastic SQL warehouses, cross-account data sharing, and multi-cloud availability as a fully managed service.

BigQuery is Google Cloud's serverless, fully managed data warehouse with on-demand or capacity-based pricing, streaming ingestion, and built-in ML functions.

ClickHouse is an open-source columnar database designed for low-latency analytical queries over large volumes, available self-hosted or as ClickHouse Cloud.

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.