wxWdigsts is TRUE open source with no restrictions. When you look at the Qt to use QtCreator or the framework there is constant mention of legal this and that. I find it not worthy. For those that have never used Qt, realize it is a bastardized version of C++. it can be quite restrictive on what C++ librariesyou want to use. wxWidgets does not offer any of these restrictions it seems. This is the primary reason why I don’t use Qt. It ain’t a popularity content but it is more about sensibility.

https://quantlabs.net/blog/2020/03/why-i-choose-open-source-c-wxwidgets-over-qt-restrictions/

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