"This is GREAT dock software. Do not believe any of the negative comments. This dock is so much better than any of the others. I use the Alu theme and configure it so it has a Macintosh look and feel. (Like the look of the Mac, hate the macOS software.) Cairo Dock takes a little time to understand, but once you get it, configuration is easy. My recommendation is to have an idea of what you want before you install. Then choose a theme that best matches your idea and configure from there. The best part is, you can use any PNG image file for an icon. Just keep it to nothing more than 512x512 and you'll do fine. "