29 open-source Database & Data Management vendors
Open-source software for Database & Data Management that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 29
- European
- 7
- foreign-owned
- 2
- 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 sourceIn-process analytical database, the SQLite for OLAP, developed in the Netherlands
- Sovereignty score 94 out of 100MariaDBFinland · EU-hosted, non-EU parent · owner in United Statesopen-source relationele database, community-gedreven fork by MySQL
- Sovereignty score 94 out of 100OrientDBGermany · Self-hosted / open sourceOpen-source graph and document database, acquired by SAP in 2018 and community-driven since the end of 2023.
- Sovereignty score 94 out of 100Warp 10France · Self-hosted / open sourceOpen-source time-series and sensor database with analytics and the WarpScript language, developed by SenX S.A.S. in France (Apache-2.0).
- Sovereignty score 92 out of 100ElasticNetherlands · Self-hosted / open sourceElastic (Elastic N.V.), headquartered at Keizersgracht 281, Amsterdam, Netherlands, develops Elasticsearch, the widely used distributed search and analytics engine, alongside Kibana and Logstash (the "ELK stack"). Since September 2024 Elasticsearch and Kibana source code is triple-licensed under AGPLv3, SSPL, and the Elastic License v2, with AGPLv3 being OSI-approved, restoring genuine open-source status after the 2021 licensing dispute. It can be self-hosted, run via Elastic Cloud with selectable EU data-center regions, or deployed via other providers, giving strong flexibility for EU sovereignty requirements.
- Sovereignty score 92 out of 100Firebird SQLCzechia · Self-hosted / open sourceSelf-hosted relational database stewarded by the non-profit Firebird Foundation, registered in the Czech Republic.
- Sovereignty score 82 out of 100MeilisearchFrance · EU sovereignOpen-core search engine: the Community Edition is MIT-licensed and free to use, but the Enterprise Edition (sharding, advanced observability, analytics) has been under BUSL 1.1 since v1.19 (August 2025), requiring a commercial agreement for production use.
- Sovereignty score 79 out of 100QuestDBUnited Kingdom · Non-EU vendorOpen-source time-series database for high ingestion speeds and SQL queries
- Sovereignty score 77 out of 100TypeDBUnited Kingdom · Self-hosted / open sourceOpen-source graph database with TypeQL from TypeDB Ltd (Kings Langley, United Kingdom) for modelling and querying connected data; cloud or self-hosted.
- Sovereignty score 71 out of 100Apache CassandraUnited States · Self-hosted / open sourceProven open-source distributed NoSQL database for massive datasets.
- Sovereignty score 71 out of 100Apache CouchDBUnited States · Self-hosted / open sourceOpen-source document database with JSON storage and HTTP API.
- Sovereignty score 71 out of 100ChromaUnited States · Self-hosted / open sourceOpen-source AI-native vector database for embeddings in LLM applications.
- Sovereignty score 71 out of 100CrateDBUnited States · Non-EU vendorDistributed SQL database optimised for machine data and IoT applications
- Sovereignty score 71 out of 100FerretDBUnited States · Self-hosted / open sourceOpen-source proxy translating MongoDB protocols to PostgreSQL.
- Sovereignty score 71 out of 100GarnetUnited States · Self-hosted / open source · owner in United StatesOpen-source Redis-compatible cache store from Microsoft Research, written in .NET.
- Sovereignty score 71 out of 100NeonUnited States · Self-hosted / open sourceServerless Postgres platform (Lakebase) from US-based Databricks, with regions including Frankfurt; core engine under the Apache-2.0 licence.
- Sovereignty score 71 out of 100RedisUnited States · Self-hosted / open sourceIn-memory key-value database, cache and message broker from Redis Ltd. (headquartered in San Francisco, US); Redis 8 is also available under AGPLv3.
- Sovereignty score 71 out of 100ValkeyUnited States · Self-hosted / open sourceValkey is an open-source, in-memory key-value data store and Redis fork, hosted under the Linux Foundation (US). It is community-maintained and self-hosted by users; no vendor-operated cloud service exists.
- Sovereignty score 69 out of 100MilvusUnited States · Self-hosted / open sourceOpen-source vector database (Apache 2.0), originally built by Zilliz (founded in China, now headquartered in San Francisco, US); governed as a graduated project of the LF AI & Data Foundation (Linux Foundation, US).
- Sovereignty score 69 out of 100MySQLUnited States · Self-hosted / open sourceSelf-hosted relational database owned and controlled by Oracle Corporation (US).
- Sovereignty score 69 out of 100OpenLink VirtuosoUnited States · Self-hosted / open sourceMulti-model database and application server from OpenLink Software (United States), with data virtualisation and knowledge-graph features; on-premises or in the cloud.
- Sovereignty score 69 out of 100PerconaUnited States · Self-hosted / open sourceOpen-source database software, support and consulting from Percona LLC (United States) for MySQL, PostgreSQL, Valkey and MongoDB, with monitoring tools.
- Sovereignty score 69 out of 100RethinkDBUnited States · Self-hosted / open sourceRethinkDB is an open-source, real-time change-feed-oriented NoSQL document database, now governed by its community under the Linux Foundation after its original company folded in 2016.
- Sovereignty score 69 out of 100SQLiteUnited States · Self-hosted / open sourceSelf-hosted, embedded relational database in the public domain, stewarded by Hwaci (D. Richard Hipp), US.
- Sovereignty score 69 out of 100TursoUnited States · Self-hosted / open sourceSQLite-compatible edge database from Turso (United States), built on an MIT-licensed engine; hosted service Turso Cloud.
- Sovereignty score 61 out of 100ClickHouseUnited States · Non-EU vendorOpen-source column-store database for fast analytical queries (Yandex origin)
- Sovereignty score 61 out of 100Neo4jUnited States · Non-EU vendorLeading graph database for connected-data applications, originally from Sweden
- Sovereignty score 61 out of 100TiDBUnited States · Non-EU vendorTiDB is an open-source, MySQL-compatible distributed SQL database created by PingCAP (founded Beijing 2015, now HQ'd in Sunnyvale, CA), also sold as the managed TiDB Cloud service.
- Sovereignty score 61 out of 100YugabyteDBUnited States · Non-EU vendorDistributed open-source SQL database compatible with PostgreSQL
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