H2 is an embeddable RDBMS written in Java
Database subsetting and relational data browsing tool
A Java SQL client for any JDBC compliant database
Relational Database
Database migrations made easy
AI-driven database tool and SQL client
CDC Connectors for Apache Flink
CrateDB is a distributed and scalable SQL database
A library for debugging android databases and shared preferences
Relative Examples and Resources of iBoxDB, etc...
Ebean ORM
Database connection pool written in Java
General-purpose bitemporal database for SQL, Datalog & graph queries
PolarDB-X is a cloud native distributed SQL Database
Universal HTAP Engine
ReplicaDB is open source tool for database replication
jdbi is designed to provide convenient tabular data access in Java
An open source SQL database designed to process time series data
jOOQ is the best way to write SQL in Java
MyBatis SQL mapper framework for Java
DBMS supporting graph, document, full-text and geospatial models
JSqlParser parses an SQL statement and translate it into a hierarchy
The open big data serving engine
A generator of DTO, Model, and DAO classes to access relational DB