a2Tools 4.3 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The most popular versions of the software are 5.0 and 4.3. The actual developer of the free software is Terry Kyriacopoulos. A2Tools lies within System Utilities, more precisely HDD Management. The common filenames for the program's installer are A2Reportes.exe or a2Tools.exe etc.
From the developer:
a2tools is a utility similar to FID: it can do a "CATALOG", "DELETE", "SAVE" and "LOAD" on Apple II .DSK images. Written originally for Linux by Terry Kyriacopoulos (terryk@echo-on.net>, this version is rewritten in ANSI C and contains an executable for 16-bit MS-DOS.
You may want to check out more software, such as Mihov DiskFree, Abaiko Disk Space Monitor or WinContig, which might be related to a2Tools.