Natural Docs: a documentation generator for multiple languges

Natural Docs is an open-source documentation generator for multiple programming languages.  You document your code in a natural syntax that reads like plain English.  Natural Docs then scans your code and builds high-quality HTML documentation from it.
via naturaldocs.org

Just discover today this project and find it interesting. Will try to give it a try as more than that it also supports Javadoc comments. But I feel that in a pure java env it is better to stick with the stricter and widely adopted Javadoc comments.

Tagged Documentation Generator Javadoc Open Source
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