Ortelius documentation is Javadoc tags based
Easy to make documentation
>> The 3 steps
Easy to understand documentation
The documentation you generate with this tool is made in html, and is easy to overview with the classes structured in a namespace tree strucutre.
Its free & opensource
Ortelius is free to download and use, and you can download the source code from google code (C# & .NET).
>> Go to Google code