24 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.
- vendors scored
- 24
- European
- 4
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100DuckDBNetherlands · Self-hosted / open sourceDutch open-source SQL OLAP database optimized for analytics
- Sovereignty score 94 out of 100GarageFrance · Self-hosted / open sourceOpen-source, self-hosted S3-compatible object storage from the French association Deuxfleurs; a single binary under the AGPLv3 licence.
- Sovereignty score 94 out of 100MonetDBNetherlands · Self-hosted / open sourceDutch open-source column-store database for analytics workloads
- Sovereignty score 94 out of 100Stackable Data PlatformGermany · Self-hosted / open sourceOpen-source data platform on Kubernetes (modular data apps such as Trino, Spark and Kafka) by Stackable GmbH, Germany.
- Sovereignty score 79 out of 100DatabendChina · Self-hosted / open sourceOpen-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.
- Sovereignty score 77 out of 100Quix StreamsUnited Kingdom · Self-hosted / open sourceOpen-source Python library (Apache 2.0) by Quix Analytics (London) for stream processing on Apache Kafka, with the managed Quix Cloud as an option.
- Sovereignty score 71 out of 100Apache DorisUnited States · Self-hosted / open sourceOpen-source real-time OLAP database for analytical workloads.
- Sovereignty score 71 out of 100Apache DruidUnited States · Self-hosted / open sourceOpen-source real-time OLAP analytics database (Apache Software Foundation) with sub-second queries on streaming and batch data.
- Sovereignty score 71 out of 100Apache FlinkUnited States · Self-hosted / open sourceOpen-source stream and batch processing engine for real-time data.
- Sovereignty score 71 out of 100Apache HopUnited States · Self-hosted / open sourceOpen-source visual ETL and data-integration tool, successor to Pentaho Kettle.
- Sovereignty score 71 out of 100Apache HudiUnited States · Self-hosted / open sourceOpen-source table format for transactional data lakehouses.
- Sovereignty score 71 out of 100CrateDBUnited States · Self-hosted / open sourceAmerican distributed database for real-time analytics and timeseries (self-hostable, open source)
- Sovereignty score 71 out of 100dbt CoreUnited States · Self-hosted / open sourceOpen-source data transformation tool using SQL, from dbt Labs.
- Sovereignty score 71 out of 100Delta LakeUnited States · Self-hosted / open sourceOpen-source storage layer adding ACID transactions to data lakehouses, under the Linux Foundation.
- Sovereignty score 71 out of 100GlusterFSUnited States · Self-hosted / open sourceOpen-source distributed network filesystem, Red Hat-sponsored.
- Sovereignty score 71 out of 100HydraUnited States · Self-hosted / open sourceUS open-source columnar data warehouse (San Francisco) built on PostgreSQL with vectorized execution.
- Sovereignty score 71 out of 100RisingWaveUnited States · Self-hosted / open sourceUS cloud-native streaming SQL database in Rust (San Francisco) combining real-time and historical analytics.
- Sovereignty score 71 out of 100StarRocksUnited States · Self-hosted / open sourceOpen-source MPP OLAP database for sub-second analytical queries.
- Sovereignty score 71 out of 100TrinoUnited States · Self-hosted / open sourceOpen-source distributed SQL query engine for heterogeneous data sources.
- Sovereignty score 69 out of 100Apache BeamUnited States · Self-hosted / open sourceApache 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.
- Sovereignty score 69 out of 100Apache IcebergUnited States · Self-hosted / open sourceOpen table format for large analytic datasets on data lakes; a top-level Apache Software Foundation project (US), graduated in 2020 and actively maintained.
- Sovereignty score 69 out of 100Apache SparkUnited States · Self-hosted / open sourceApache Spark is an Apache Software Foundation open-source engine for large-scale batch and stream data processing.
- Sovereignty score 61 out of 100Cloudera Data PlatformUnited States · Non-EU vendorEnterprise big-data platform, open-source core with commercial support.
- Sovereignty score 61 out of 100TimeplusUnited States · Non-EU vendorUS streaming-analytics platform (Santa Clara) combining real-time and historical OLAP data on a ClickHouse backend.
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