Zenity
Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts.
18 Alternatives To Zenity
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AutoIt
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KDevelop
KDevelop is a free, open source IDE (Integrated Development Environment) for Linux, Solaris, FreeBSD, Mac OS X and other Unix flavors.
Netbeans
NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
NirCmd
NirCmd is a small utility that allows you to do many useful tasks from command-line, without displaying any user interface: change your display settings, turn off your monitor, open the door of your CD-ROM drive, and more…
Wolf Responsive Form Maker
Build mobile-friendly web forms with email notifications.
XRCed
XRCed is a simple resource editor for wxWidgets/wxPython GUI development which supports creating…
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wxFormBuilder
wxWidgets is an excellent framework that enables the creation of multi-platform applications with…