Administrator is the person who manages an application built with c2cgeoportal. Integrator is the person who builds the c2cgeoportal application, and does the initial setup. Developer is the person who produces code for c2cgeoportal itself.
The Demo application shows a WebGIS built with c2cgeoportal. The Demo alternative UI shows the same WebGIS with different user interface functionalities. To test the editing functionality, you can use the username ‘demo’ with the password ‘demo’.