Give your applications data persitence capabilities without sacrificing portability and independence. Database engines provide self contained lightweight data storage capabilities that can be integrated into applications built for all platforms - .Net, ActiveX, Java, Delphi.

ActiveX Database Engines by Elevate Software, Inc.

ElevateDB V1.09

ElevateDB is an embedded SQL database engine that can be compiled directly into your application and offers local single and multi-user access (file-sharing) and client-server access with the provided ElevateDB server. ElevateDB can switch between these modes of operation quickly, requiring just a few application changes. ElevateDB adheres to a subset of the SQL 2003 standard (ANSI/ISO 9075). Any deviations from the standard are detailed in the SQL reference material provided with the product.

ActiveX Database Engines by Terra Informatica Software Design.

SQLiteDB 1.2.4.1206 -  SQLiteDb is a fast, powerful and lightweight database engine featuring on-the-fly database encryption, OLEDB data binding and an ADO-like object model.