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Add to SafariWhen comparing Doxygen vs ClickHelp, the Slant community recommends Doxygen for most people. In the question“What are the best documentation tools for .NET developers?” Doxygen is ranked 1st while ClickHelp is ranked 9th.
Specs
Question Ranking
Pros
Pro Free
Pro Generates documentation from comments
Doxygen can generate documentation from formatted comments in the source code. This is extremely useful when writing detailed man pages.
Pro Cross-platform
Doxygen is compatible with multiple languages. Including but not limited to: C, Objective-C, C#, C++, Java, Python, PHP etc...
Pro Online collaboration
You can collaborate with your team members online, in real time - leave comments, to-do notes and other stuff.
Pro Customizable workflow
You can create your own workflow instead of the default one.
Pro Unlimited version history
Pro Amazing support
Support is always super-fast and helps to resolve any problems that occur.
Cons
Con i18n support is poor
Cannot work properly with non-ascii paths on Windows
Con PDF output is very problematic
Doxygen PDF output relies on the now broken LaTeX tabu package which was abandoned over a decade ago by its developer.
Con No recursive inclusion
For example, if you specify INCLUDE_PATH=incl, it doesn't search other folders included in the incl folder (incl/sub1 or incl/sub2) and there's no option to turn on recursive inclusion.
Con Expensive
