AppEditor Alternatives
AppEditor is described as 'allows you to edit application entries in the application menu' and is an app. There are six alternatives to AppEditor for Linux, BSD, KDE and Solaris. The best alternative is MenuLibre, which is both free and Open Source. Other great apps like AppEditor are lxappearance, obmenu, KMenuEdit and Alacarte.
LXAppearance is the standard theme switcher of LXDE. Users are able to change the theme, icons, and fonts used by applications easily. It also includes support for configuring openbox, via a plugin called lxappearance-obconf.
Obmenu is a menu editor designed for openbox. It's easy to use, allowing to get the most out of the powerful Openbox menu system, while hiding the xml layout from the user.
KMenuEdit, aka KDE Menu Editor, provides the ability to edit application launchers in KDE Plasma desktop environment.
XDG-Menu is a ROX panel applet that displays an applications menu button. The menus it builds fit the XDG Menu Specification published by freedesktop.org.