A43 is described as 'freeware file management utility for Windows. Integrated text editor with unlimited size. Dynamic highlighting for the web. Integrated zip/unzip features. Simply drag-n-drop files or click a button' and is an app in the File Management category. There are more than 25 alternatives to A43 for a variety of platforms, including Windows, Linux, Mac, PortableApps.com and Android Tablet. The best alternative is Double Commander, which is both free and Open Source. Other great apps like A43 are Total Commander (Freemium), XYplorer (Paid), FreeCommander (Freemium) and Directory Opus (Paid).