db4o is an object database for Java and all .NET environments. Its features include ACID transactions, automatic class schema recognition, query-by-example, a S.O.D.A. object querying API, native queries, LINQ support on .NET, callback methods, memory files, cascade-on-delete, multi-threaded access, and Java Webstart and servlet support.
JOpt.ASP is a consistent advancement of JOpt.NET that exposes the unique JOpt vehicle routing capabilities via standard HTTP/SOAP interfaces. JOpt.ASP has been designed for enterprise applications and Web-based solutions that are based on ASP.NET. JOpt.ASP provides its optimization facilities through a stateful Web service that comes with a comfortable programming interface that is very similar to JOpt.NET.