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Java Dbms

Open-source Java projects categorized as Dbms
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Top 7 Java Dbm Projects

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Dbms

  1. OrientDB

    OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.

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  3. Crate

    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.

  4. sqlancer

    Automated testing to find logic and performance bugs in database systems

  5. arcadedb

    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 natively Graphs, Documents, Vector Embeddings, TimeSeries and Full Text.

    Project mention: kuzu VS arcadedb - a user suggested alternative | libhunt.com/r/kuzu | 2026-04-22

    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. ArcadeDB can run embedded like Kuzu, it support Cypher, so it's an easy migration from Kuzu. There is a migration guide from Kuzu to ArcadeDB: https://arcadedb.com/blog/from-kuzudb-to-arcadedb-migration-guide/

  6. youtrackdb

    YouTrackDB is a general-use object-oriented graph database with storage format native to handle graph relations. YouTrackDB supports Gremlin queries and ACID transactions.

  7. dimension-db

    Hybrid time-series and block-column storage database engine written in Java

    Project mention: Show HN: Dimension-DB – Time‑series/columnar DB for Java (local store and JDBC) | news.ycombinator.com | 2025-11-07
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Java Dbms related posts

  • Solving duplicate data with performant deduplication

    1 project | news.ycombinator.com | 22 Nov 2023

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    1 project | news.ycombinator.com | 7 May 2023

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Index

What are some of the best open-source Dbm projects in Java? This list will help you:

# Project Stars
1 OrientDB 4,965
2 Crate 4,412
3 sqlancer 1,734
4 arcadedb 950
5 doris-flink-connector 378
6 youtrackdb 144
7 dimension-db 8

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