Suggest an alternative to

CLI11

CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.

Why do you think that https://github.com/adishavit/argh is a good alternative to CLI11

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with CLI11. Optional.

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