> If you wanted to get that crispy couple of hundred kilobyte sized binary you'd probably have to directly use the native UI API of each platform, and therefore

> If you wanted to get that crispy couple of hundred kilobyte sized binary you'd probably have to directly use the native UI API of each platform, and therefore be in for not being able to reuse very much between each platform. (github.com/allanrbo/filesremote if anyone wants to see the result) No need for three different native code bases, you should simply use FLTK. It's actively maintained, works on win/lin/osx and is just 300kB when statically linked. However it doesn't look native, if this is a serious issue for you.