Qt
GTK
Xamarin
WompMobile
wxWidgets
OutSystems
Oracle Mobile Application
Mendix
JavaScript
Python
Java
PHP
Rust
Haskell
Typescript
Elixir
JavaScriptGTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Xamarin - Create iOS, Android and Mac apps in C#
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
WompMobile - WompMobile offers tow kind of functions โ first creating new mobile apps and secondly converting the websites into mobile applications.
PHP - A popular general-purpose scripting language that is especially suited to web development