H2 is an SQL database engine written in Java that implements the JDBC API. Embedded, server, and clustering modes are available. A browser based console application is included. The database has strong security features. Disk based and in-memory databases and tables are supported.
iSQL(IndependentSQL)-Viewer is a JDBC 2.0-compliant application that can take advantage of platform features such as transactions, running batch modes, and database abstraction. Even in heterogeneous database environments, it supports all database platforms with a JDBC 2.0-compliant driver, such as PostgreSQL, MySQL, and Oracle. It provides a variety of tools to carry out both simple and complex database activities.
Compiere is an integrated ERP and CRM business solution for automating financial, distribution, sales, and service processes, including: financial management, purchasing, materials management, manufacturing, order management, project accounting, customer management, sales, service requests, ecommerce, reporting, and performance management. Compiere utilizes a powerful model-driven application platform that provides customers with unprecedented adaptability, rapid deployment, and low cost of ownership.