gElemental is a GTK+ periodic table viewer that provides detailed information about chemical elements.

GeoIP is a C library that enables the user to find the country that any IP address or hostname originates from. It uses a file based database.

GETFEM is a library allowing the computation of any elementary matrix (even for mixed finite element methods) on the largest class of methods and elements, and for arbitrary dimension.

A library focused at implementing minimalistic user interfaces. It provides three main components: a view widget that represents the actual application, an input bar to execute application specific commands and a status bar which provides information to the user.

gfal-transfer is the high level API for file transfer operations in gfal2. It supports third-party copy.

The Grid Community Toolkit (GCT) is an open source software toolkit used for building grid systems and applications. It is a fork of the Globus Toolkit originally created by the Globus Alliance. It is supported by the Grid Community Forum (GridCF) that provides community-based support for core software packages in grid computing.