Drop down a menu showing the list of available plugins. Select one to execute. The plugins are located under "plugins" sub-directory. Currently, plugins can be anything that can be opened or executed by windows shell.
Drop down a menu showing the list of available script files. Select one to execute the script in the context of the active website. The script files are located under "scripts" sub-directory. They can be jscript (.js) or vbscript (.vbs) files.