Downloading WinTopo 3.5.3.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. This free program is a product of SoftSoft Ltd.
This PC program can be installed on 32-bit versions of Windows XP/XP Professional/Vista/7/8/10/11. WinTopo is included in Photo & Graphics Tools. The program's installer files are commonly found as IconBBF3DD5D.exe, Topo.exe, topofree.exe or wintopo.exe etc. The following versions: 3.5, 3.4 and 3.3 are the most frequently downloaded ones by the program users. We recommend checking the downloaded files with any free antivirus.
From the developer:
WinTopo is a high quality software application for converting TIF, JPG, PNG, GIF, BMP files and scanned images into useful vector files suitable for CAD, GIS and CNC applications.
Features:
-Advanced vector extraction intelligence.
-Acquire image direct from a scanner.
-Many raster enhancement options: despeckle, fill holes, negative...
-Advanced raster thinning methods.
-Custom thinning options.
-Additional Edge Detection options.
You may want to check out more software, such as WinTopo Pro, which might be related to WinTopo.