What are some alternatives?
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Qt - Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
FLTK - Fast Light Toolkit - Fast Light Toolkit (FLTK)
Android Studio - Android development environment based on IntelliJ IDEA
GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.