MessagePop

Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts.

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 …

Show KDE dialog boxes from shell scripts

display a message or query in a window (X-based /bin/echo)

a GTK-based xmessage clone

display dialog boxes from shell scripts. Curses based. Works in console mode.

display dialog boxes from shell scripts

CocoaDialog is an OS X application that allows the use of common GUI controls such as file selectors, text input, progress bars, yes/no confirmations and more with a command-line application. …

FP-Notifier has been renamed to FP-QUI. FP-QUI generates popup-windows that provide users a quick and ubiquitous interface to practically any application that supports command line instructions or named...

Xdialog is designed to be a drop in replacement for the "dialog" or "cdialog" programs. It converts any terminal based program into a program with an X-windows interface. The dialogs …

Gtkdialog is a small utility for fast and easy GUI building. It can be used to create dialog boxes for almost any interpreted and compiled programs which is a very …

create a menu to run commands

AlertPOP! - Add non-intrusive popup messaging to you application. Quickly provide users with a non-intrusive popup message. Very similiar to the alerts provided by MSN Instant Messenger, Yahoo Messenger, Symantec …

With ShellGui you can make gui from command line, only giving sys arguments.