Lovefield is a relational database for web apps
Tiny and easy to use JDBC framework, simplifies usage of JDBC driver
GeoG Embedded Server
HORK v1.1 Object Relational Mapping (ORM) toolKit
A pure JS client for interacting with server-side RESTful resources
.NET, PowerShell, SQL, Java, Perl, and Javascript developer libraries
In memory database for XML files
Hierarchical Data Management
JAFFA is a Rich Web 2.0 POJO based Event-Driven SOA framework
Java library to remove Object/Relation Impedance
Tools Slightly Above the Runtime
SIRA_PRISE client side ecosystem
A boost or headstart to your PL/SQL development
palo olap open office calc plugin for data analysis
Havalite, a lightweight, open source CMS Blog based on php and SQLite
Website and Java frontend to a Cloud database for booksellers.
Microsoft SQL Backup Utility
Lightweight tool for connect to MySQL, Oracle 11g and PostgreSQL DB.