A module is some functionality that is added to FOSSology. Adding a module to fossology can be done with either a plugin or an agent. To get started extending FOSSology, let's go through a series of working examples:

1. A simple example: Hello World UI plugin
2. The basic UI plugin template: FO-plugin
3. Advanced UI plugin
4. Explanation of API
5. Add agent to Advanced UI plugin
6. Explanation of wc agent
7. Explanation of SQL Agent and Shell agent
8. Explanation of schema (bobg)