StelsCSV is a CSV JDBC type 4 driver that allows performing SQL queries and other JDBC operations on text files (comma-separated, delimiter-separated, fixed-length, etc). Using this driver, you can easily create a fast database consisting of plain text files.  Also, the driver can be used for writing data import applications and migration tools.

StelsXML is a XML JDBC type 4 driver that allows performing SQL queries and other JDBC operations on XML files. With StelsXML JDBC driver, you can easily extract and process data contained in your XML documents by using the standard SQL Syntax and XPath expressions. The driver is completely platform-independent.

StelsDBF is a DBF JDBC type 4 driver that allows performing SQL queries and other JDBC operations on DBF files (dBase III/ IV/ V, xBase, FoxPro, Visual FoxPro). The driver is completely platform-independent and does not require installing additional client or server software to provide access to DBF files. It can be effectively used to create, process and export DBF databases in your Java applications.

StelsMDB is a MDB JDBC type 4 driver that allows performing SQL queries and other JDBC operations on Microsoft Access database files (MS Access 2000 - 2010 versions). The driver is completely platform-independent and does not require installing additional client or server software to provide access to MDB files. It can be effectively used to create, process and export Microsoft Access databases in your Java applications.

StelsEngine is a fast in-memory SQL database (in-memory JDBC) for storing and processing tabular data in Java applications. Using StelsEngine, you can make processing data in your software considerably easier and quicker. StelsEngine is as easy to use as possible, since it implements the JDBC API standard.