Relational is an interface to load relations from a file, to write relational algebra queries, and to see their result. This software has educational purposes, since it makes it possible to immediately evaluate if a query is correct or not. For developers, it provides a relational algebra Python module which can be used within other projects.
Riteway-Reorgs is a Tcl/TK GUI and Batch program to reorganize ISAM data files that are exclusive to the Synergy/DE product of Synergex International Inc. It lets you maintain peak Synergy/DE ISAM file and application performance. It requires an operational installation of Synergy/DE. It is built as a Tcl DevKit wrapped stand-alone executable, and requires the ActiveState Tcl DevKit to build.
Yii is a high-performance, component-based PHP framework for developing large-scale Web applications. Yii comes with a full stack of features needed by Web application development. It is written in a strict OOP style and is easy to learn with its detailed tutorials. Its highly reusable components allows one to rapidly build up a Web application that is efficient as well as robust.
OGSA-DAI is a product that supports distributed data management. Relational, XML, and file-based data is supported. A variety of popular database management systems are supported. The software also includes a collection of components for querying, transforming, translating, joining, and delivering data in different ways, and a simple toolkit for developing client applications. OGSA-DAI is designed to be extensible, so users can provide their own additional functionality.
Sqlkit provides a GUI named sqledit to edit data in a database, as well as a package (sqlkit) in PyGtk. Sqledit (the application) can be run from the command line with arguments and will pop directly into the table/mask of the data, or without arguments and will present an input mask to write the database URL. Sqlkit (the Python package) provides SqlMask and SqlTable, two widgets for editing database data. It is meant to be used as a base for database desktop applications.