Suggest an alternative to

RainbowNavigation

An easy way to change backgroundColor of UINavigationBar when Push & Pop

Why do you think that https://github.com/WenchaoD/FSCalendar is a good alternative to RainbowNavigation

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 RainbowNavigation. Optional.

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