The Others (Contenders)
As it happens in the open source software world, Delta Lake is not alone. The following is a list of some other open source projects that seems to compete or cover the same use cases.
Apache Iceberg is an open table format for huge analytic datasets. Iceberg adds tables to Presto and Spark that use a high-performance format that works just like a SQL table.
Apache Hudi ingests and manages storage of large analytical datasets over DFS (HDFS or cloud stores) and provides three logical views for query access.