Appledoc is a command line utility that generates Apple like source code documentation for Objective-C classes, interfaces and protocols. It generates markdown and xhtml documentation as well as fully indexed Xcode documentation set which can also be automatically installed to Xcode documentation browser. The whole process is wrapped into a single and simple command line.
Appledoc is written entirely in Objective-C and is available as Xcode project with full source code from itʼs github page. You can also find more information on usage etc. in the readme file at the same location.