Top DBMS GitHub Repositories & Tools (2026)

ClickHouse® is a real-time analytics database management system

YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.