There are many alternatives to Glade for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is Qt Creator. It's not free, so if you're looking for a free alternative, you could try Cambalache or Anjuta. If that doesn't suit you, our users have ranked more than 10 alternatives to Glade and 15 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Glade are GNOME Workbench, Yad, wxFormBuilder and KDialog.
Qt Creator is a cross-platform integrated development environment (IDE) built for the maximum developer experience. Qt Creator runs on Windows, Linux, and macOS desktop operating systems and allows developers to create software across desktop, mobile, and embedded platforms.
Cambalache is a new RAD tool that allow development of user interfaces for Gtk 4 and Gtk 3 toolkit. It was born as a substitute for Glade.
Anjuta is a versatile Integrated Development Environment (IDE) for C and C++ on GNU/Linux. It has been written for GTK/GNOME and features a number of advanced programming facilities including project management, application wizards, an interactive debugger and a powerful source...
Workbench lets you experiment with GNOME technologies, no matter if tinkering for the first time or building and testing a GTK user interface.
Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons, additional dialogs, pop-up menu in notification icon and more. It's useful for creating quick and easy GUIs for shell and batch scripting.
wxWidgets is an excellent framework that enables the creation of multi-platform applications with and without a graphical user interface. There are several applications that help create dialogs visually, even so, some practical problems have led me to start the development of a...
kdialog allows you to display dialog boxes from shell scripts. The syntax is very much inspired from the "dialog" command (which shows text mode dialogs).
wxGlade is a GUI designer written in Python with the popular GUI toolkit wxPython, that helps you create wxWidgets/wxPython user interfaces. At the moment it can generate Python, C++, Perl, Lisp and XRC (wxWidgets' XML resources) code.
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It's an up-to-date (GTK4/adw) replacement for the now-unmaintained Glade! With 0.12, there's custom widgets, so I see a lot more use! :)