Grid UI's

http://commons-vfs-ui.sourceforge.net/ : A gui application for the commons VFS implementation from Apache

http://wiki.arcs.org.au/bin/view/Main/FileTransferSGGCUsageGuide : Australian research collaboration service which has the capabililty for gridFTP, third party transfers, and multi replica transfers.

http://bi.offis.de/gridftp/index.html

http://bi.offis.de/gridftp/screens/gridftp.htm : A GridFTP Client has originally developed at the OFFIS Institute for Information Technology which can be installed as a plugin in eclipse.

http://staff.science.uva.nl/~ptdeboer/vlet/page_vbrowser.html : and of course, the much talked about, VBrowser