Apache IoTDB
General-purpose bitemporal database for SQL, Datalog & graph queries
Mirror of Apache Phoenix
A relentless key-value store for the browser
CDC Connectors for Apache Flink
TypeDB: a strongly-typed database
Cloud Database Manager
Mobile database: a replacement for Core Data & SQLite
RisingWave: the next-generation streaming database in the cloud
Realm is a mobile database, an alternative to SQLite key-value stores
Easy to use open source fast database for search
Toolkit for working with and mapping geospatial data
A Java SQL client for any JDBC compliant database
Relational Database
A powerful, cross platform, SQL database system
An object relational-mapping (ORM) library for Java
a set of foundation classes for database engines
A generator of DTO, Model, and DAO classes to access relational DB
Database Subsetter and Relational Data Browser
Database Replication, Filtered Synchronization, and Transformation
DAO for all database server types with the Java POJO code generator