20 open-source Data Governance & MDM vendors
Open-source software for Data Governance & MDM that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 20
- European
- 2
- foreign-owned
- 1
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100Data Contract CLIGermany · Self-hosted / open sourceOpen-source command-line tool (MIT licence) to create and validate 'data contracts', preventing changes in production systems from unexpectedly breaking downstream reports. Developed by consultants at INNOQ (Germany).
- Sovereignty score 94 out of 100TruedatSpain · Self-hosted / open source · owner in United StatesOpen source data governance solution from Spain's Bluetab (Madrid), which is part of IBM. Installed in the customer's own environment.
- Sovereignty score 79 out of 100CKANUnited Kingdom · Self-hosted / open sourceThe global open-source standard for data portals and catalogs, heavily used by European governments for open-data governance (incl. data.europa.eu, data.gov.uk, govdata.de). Governed by the Open Knowledge Foundation (UK).
- Sovereignty score 79 out of 100MagdaAustralia · Self-hosted / open sourceOpen-source federated enterprise data catalog platform excelling in privacy-by-design and indexing distributed datasets without moving them. Originally an Australian government project (CSIRO Data61), now community-maintained.
- Sovereignty score 77 out of 100Elementary DataIsrael · Self-hosted / open sourceData observability and data quality platform for dbt teams, with an Apache-2.0 open-source core and the commercial Elementary Cloud; based in Tel Aviv (Israel).
- Sovereignty score 77 out of 100Frictionless FrameworkUnited Kingdom · Self-hosted / open sourceOpen-source Python framework (MIT) to describe, validate and transform tabular data; part of the Frictionless Data project of the UK-based Open Knowledge Foundation.
- Sovereignty score 71 out of 100Apache AtlasUnited States · Self-hosted / open sourceThe traditional open-source heavyweight from the Apache Software Foundation for governance and metadata management within enterprise data lakes and Hadoop/Spark ecosystems.
- Sovereignty score 71 out of 100Apache KnoxUnited States · Self-hosted / open sourceOpen-source application gateway acting as a central access point for authentication, authorisation and perimeter security around enterprise data lakes. A project of the Apache Software Foundation.
- Sovereignty score 71 out of 100Apache RangerUnited States · Self-hosted / open sourceOpen-source framework to manage and audit centralised security and access rights (data access governance) across complex enterprise data platforms (Hive, HBase, Kafka, Solr). A project of the Apache Software Foundation.
- Sovereignty score 71 out of 100DataHubUnited States · Non-EU vendorPopular open-source enterprise data catalog (originally LinkedIn OSS) with real-time metadata ingestion and advanced data lineage visualisation. Commercially maintained by Acryl Data Inc. (Mountain View, US).
- Sovereignty score 71 out of 100DeequUnited States · Self-hosted / open sourceOpen-source library by Amazon, built on Apache Spark, specifically designed to measure and monitor data quality at massive scale (data lakes).
- Sovereignty score 71 out of 100Great ExpectationsUnited States · Self-hosted / open sourceThe open-source industry standard for enterprise data quality and data profiling; defines and validates data tests as code. Developed by Superconductive (Redwood City, US).
- Sovereignty score 71 out of 100MarquezUnited States · Self-hosted / open sourceOpen-source, metadata-centric platform for collecting, organising and visualising data lineage and the status of active data pipelines. The reference implementation of OpenLineage, a graduated project under the Linux Foundation AI & Data.
- Sovereignty score 71 out of 100MindsHub (formerly MindsDB)United States · Non-EU vendorOpen-source agent workspace with model routing and a credentials vault (formerly MindsDB); the MindsDB query engine remains open source. US company (Berkeley, California).
- Sovereignty score 71 out of 100OpenMetadataUnited States · Non-EU vendorModern, central open-source platform for data governance unifying data cataloging, lineage, data quality and team collaboration via an API-first approach. Commercially maintained by Collate Inc. (Menlo Park, US).
- Sovereignty score 71 out of 100OpenRefineUnited States · Self-hosted / open sourcePowerful, locally-run desktop application for cleaning, transforming and governing messy datasets without cloud transfer. Fiscally sponsored by the non-profit Code for Science & Society (US); no controlling company.
- Sovereignty score 71 out of 100PanderaUnited States · Self-hosted / open sourceLightweight open-source data-validation framework for data scientists to enforce schema and data-quality checks within Python pipelines (pandas/Polars/Spark). Developed by Union.ai (Seattle, US).
- Sovereignty score 69 out of 100EgeriaUnited States · Self-hosted / open sourceOpen-source project for metadata exchange and governance (Apache-2.0), hosted by LF AI & Data of the Linux Foundation, a US non-profit.
- Sovereignty score 69 out of 100OpenLineageUnited States · Self-hosted / open sourceOpen standard and libraries for capturing data lineage from pipelines (Apache-2.0), a graduated LF AI & Data project in the US.
- Sovereignty score 69 out of 100Unity CatalogUnited States · Self-hosted / open sourceOpen source data and AI catalogue (Apache 2.0) for tables, files, functions and models; hosted by the Linux Foundation (LF AI & Data), originally from Databricks (US).
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