A compendium of Open Source GIS Desktop and Web applications you can run right from your USB Flash Drive. It is similar in style to Portable Apps. No installation required. Currently only runs on Windows. Consists of the following:
PostgreSQL 8.2, PostGIS 1.1, GRASS, Quantum GIS (QGIS), gvSIG, FWTools, UMN Mapserver, GeoServer, OpenLayers, Tilecache, FeatureServer, XAMPPlite (Apache2,/MySQL5/PHP5).