Math::GSL is a Perl API to the GNU Scientific Library, which contains a large set of tools for writing scientific computing applications, like statistical distributions, special functions, random number generators, linear algebra, numeric integration/derivatives, FFTs, wavelets, and much more.
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.
The GRIA Command Line Client interface has several advantages over the standard graphical interface. It provides the ability to automate various common actions through easy to write and use batch or shell scripts. Actions can be performed automatically without the need for interaction with the user, and chained together to form pipelines. In addition, the command line client uses less resources than the graphical interface.