As a picture's worth a thousand words, several plugins along with their source code are shipped with each version of icCube.
Those plugins are located within the plugins directory of the product installation directory. Their source code represents an invaluable source of up-to-date information for any plugin developer:
The following plugins are available:
1. icCube Plugin (iccube-plugin.zip) adds new functions that can be used in any MDX query as standard MDX functions:
2. Excel Data Source (exceldatasource-plugin.zip) allows you to create OLAP cubes right from the content of Excel sheets:
3. Yahoo Finance Data Source (yahoofinancedatasource-plugin.zip) allows you to create OLAP cubes using Yahoo end-of-day prices using an HTTP connection: