H2 is an embeddable RDBMS written in Java
NoSQL embedded document store for Java
Database subsetting and relational data browsing tool
Java and Android Database - fast and lightweight without any ORM
SQLite JDBC Driver
Main Liquibase Source
Postgresql JDBC Driver
Database migrations made easy
Relative Examples and Resources of iBoxDB, etc...
The financial transactions database designed for mission critical safe
ReplicaDB is open source tool for database replication
Free database schema discovery and comprehension tool
eXist Native XML Database and Application Platform
Distributed database ecosphere
Universal HTAP Engine
PolarDB-X is a cloud native distributed SQL Database
The open big data serving engine
A simple, fast and versatile Datalog database
General-purpose bitemporal database for SQL, Datalog & graph queries
An open source SQL database designed to process time series data
SymmetricDS is database replication and file synchronization software
CrateDB is a distributed and scalable SQL database
Rapid API Development with MongoDB
Database connection pool written in Java
AI-driven database tool and SQL client