H2 is an embeddable RDBMS written in Java
Database subsetting and relational data browsing tool
AI-driven database tool and SQL client
A Java SQL client for any JDBC compliant database
Database migrations made easy
CrateDB is a distributed and scalable SQL database
Ebean ORM
Database connection pool written in Java
jdbi is designed to provide convenient tabular data access in Java
General-purpose bitemporal database for SQL, Datalog & graph queries
PolarDB-X is a cloud native distributed SQL Database
A generator of DTO, Model, and DAO classes to access relational DB
An open source SQL database designed to process time series data
MyBatis SQL mapper framework for Java
CDC Connectors for Apache Flink
DBMS supporting graph, document, full-text and geospatial models
Apache Iceberg
ReplicaDB is open source tool for database replication
Mirror of Apache Phoenix
Distributed database ecosphere
HHDB SQL Admin is a graphical PostgreSQL client written in Java.
Relational Database
Apache IoTDB
A powerful, cross platform, SQL database system