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.
The globus-gass-copy-progs package contains:
Globus Gass Copy Programs