When comparing Avant Window Navigator vs Gnome-Pie, the Slant community recommends Gnome-Pie for most people. In the question“What are the best app launchers for UNIX-like systems?” Gnome-Pie is ranked 15th while Avant Window Navigator is ranked 27th. The most important reason people chose Gnome-Pie is:
Ability to customize launchers (pies) and have multiple launchers.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Tons of plugins
AWN comes with a big selections of applets such as a CPU monitor or clock or trash bin. This means one can easily turn the docks functionality into that of a taskbar. There is even an app launcher applet that will group all of ones apps in one place just like a start menu.
Pro Easily customized
There is a wide array of setting available to theming and customizing the dock.
Pro Customizable
Ability to customize launchers (pies) and have multiple launchers.
Pro Simple to use
Simple GUI that can be launched at any moment using keybinds.
Pro Binding options
It recognizes the buttons on my mouse so I can bind my trigger key to a mouse button.
Cons
Con Project is dead
Has not been update since 2013 and has been already pulled from many repos. While it still can be installed and works as it did in 2013, no more fixes or features are expected.