Gridsphere Portal toolkit - "The GridSphere portal framework provides an open-source portlet based Web portal. GridSphere enables developers to quickly develop and package third-party portlet web applications that can be run and administered within the GridSphere portlet container."
GridSphere - docs about gridsphere for the geoscience grid
Globus toolkit - "Grids are persistent environments that enable software applications to integrate instruments, displays, computational and information resources that are managed by diverse organizations in widespread locations."
Our Info Links page - heaps of references to good articles and tutorials etc
CLRC Dataportal - The CLRC Dataportal. The following is an installation procedure for this package (including database) - tested on a Windows XP machine with a Myproxy Server/SimpleCA configured on a Debian stable machine: