The ArcGIS Viewer for Flex is a great resource for you to use while you're strategizing your own application designs. You can use it to demonstrate to management what GIS can do for your organization and you can put it to work right away without any programming.
The ArcGIS Viewer for Flex showcases some of the core capabilities of the ArcGIS platform through a simple, modern Web 2.0-style user interface.
The ArcGIS Viewer for Flex may be used in compiled form, with simple modifications to its configuration file, or the source code can be used by application developers to better understand some of the design practices and programming patterns of ArcGIS API for Flex.
ArcGIS Viewer for Flex