20 open-source Data Platform & Warehouse vendors.

Open-source software for Data Platform & Warehouse that you can self-host, with auditable source code — regardless of the developer's headquarters.

• Apache BeamSelf-hosted / open source

  Apache Software Foundation project providing a unified batch and streaming data-processing programming model; actively maintained with releases roughly every six weeks and a broad multi-company contributor base.

  United States

• Apache DorisSelf-hosted / open source

  Open-source real-time OLAP database for analytical workloads.

  United States

• Apache DruidSelf-hosted / open source

  Open-source real-time OLAP analytics database (Apache Software Foundation) with sub-second queries on streaming and batch data.

  United States

• Apache FlinkSelf-hosted / open source

  Open-source stream and batch processing engine for real-time data.

  United States

• Apache HopSelf-hosted / open source

  Open-source visual ETL and data-integration tool, successor to Pentaho Kettle.

  United States

• Apache HudiSelf-hosted / open source

  Open-source table format for transactional data lakehouses.

  United States

• Apache IcebergSelf-hosted / open source

  Open table format for large analytic datasets on data lakes; a top-level Apache Software Foundation project (US), graduated in 2020 and actively maintained.

  United States

• Apache SparkSelf-hosted / open source

  Apache Spark is an Apache Software Foundation open-source engine for large-scale batch and stream data processing.

  United States

• Cloudera Data PlatformNon-EU vendor

  Enterprise big-data platform, open-source core with commercial support.

  United States

• CrateDBSelf-hosted / open source

  American distributed database for real-time analytics and timeseries (self-hostable, open source)

  United States

• DatabendSelf-hosted / open source

  Open-source cloud-native data lakehouse written in Rust, developed by Datafuse Labs (Beijing, China); the core engine is Apache 2.0, with some enterprise features under the source-available Elastic License 2.0.

  China

• dbt CoreSelf-hosted / open source

  Open-source data transformation tool using SQL, from dbt Labs.

  United States

• Delta LakeSelf-hosted / open source

  Open-source storage layer adding ACID transactions to data lakehouses, under the Linux Foundation.

  United States

• DuckDBSelf-hosted / open source

  Dutch open-source SQL OLAP database optimized for analytics

  Netherlands

• GlusterFSSelf-hosted / open source

  Open-source distributed network filesystem, Red Hat-sponsored.

  United States

• HydraSelf-hosted / open source

  US open-source columnar data warehouse (San Francisco) built on PostgreSQL with vectorized execution.

  United States

• MonetDBSelf-hosted / open source

  Dutch open-source column-store database for analytics workloads

  Netherlands

• RisingWaveSelf-hosted / open source

  US cloud-native streaming SQL database in Rust (San Francisco) combining real-time and historical analytics.

  United States

• StarRocksSelf-hosted / open source

  Open-source MPP OLAP database for sub-second analytical queries.

  United States

• TrinoSelf-hosted / open source

  Open-source distributed SQL query engine for heterogeneous data sources.

  United States