When comparing Avant Window Navigator vs Ulauncher, the Slant community recommends Ulauncher for most people. In the question“What are the best Linux app launchers?” Ulauncher is ranked 3rd while Avant Window Navigator is ranked 22nd.
Ranked in these QuestionsQuestion Ranking
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 Allows custom shortcuts
Pro Supports extensions in Python
Pro Supports fuzzy search
You can enter app name with a typo and Ulauncher will still be able to find it.
ULauncher supports themes and comes with a good supply on install but more can also be made.
Pro Able to launch Kdialog, Zenity and Bash scripts
Extensions are easily created. Python script is all open to see. Not compiled like some.
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.