oXygen is an XML editor that supports any XML document, and works with XML Schemas, DTDs, Relax NG schemas, and NRL Schemas. It has powerful transformation support that allows you to edit XSLT and XSL-FO documents and to obtain documents in the desired output format (such as HTML, PS, or PDF) with just one click. It also includes a complete Subversion client, support for flattening XML Schemata, an XML Schema instance generator, integration with the X-Hive/DB, MarkLogic and TigerLogic XML databases, editing actions on the diagram, and a rename refactoring action.
SQL Uniform is a database comparison and SQL query program. It is a database client with a graphical user interface. It supports any kind of database and database servers to which there is an ODBC or JDBC standard driver. It has been tested on Access, Adabas D, DaffodilDB, dBASE, Excel, HSQL, IBM DB2, Interbase (Firebird), JDataStore, Linter (Relex), McKOI, Mimer, MSSQL, MySQL, Openlink Virtuoso, Oracle, Paradox, Pervasive (Btrive), Pointbase, PostgreSQL, Solid, SQLITE, Sybase, ThinkSQL, and Yard.