From many choices of Gnome Menu applets out there, I choose mintMenu for its beauty, simplicity, and configurability. What I like most is its ability to pin many favorites apps so I don't have to browse deep into menu or clutter my desktop with launchers.
As the name suggests, it's a default Gnome Menu for Linux Mint, but you can easily install it in Ubuntu. The latest version is mintMenu 5.2.2, you can download mintMenu and its dependecies here.
If you want to check its latest version go here.
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